http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormSubmitTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormSubmitTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormSubmitTest.java
index 631865e..350d843 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormSubmitTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormSubmitTest.java
@@ -16,19 +16,21 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.markup.html.WebPage;
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.model.Model;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
-public class NestedFormSubmitTest extends WicketTestCase
+class NestedFormSubmitTest extends WicketTestCase
 {
 
-       public class TestForm<S> extends Form<S>
+       class TestForm<S> extends Form<S>
        {
                private final IModel<Boolean> submitted;
                private final Button submit;
@@ -66,15 +68,15 @@ public class NestedFormSubmitTest extends WicketTestCase
                }
        }
 
-       public class TestPage extends WebPage
+       class TestPage extends WebPage
        {
                private final TestForm<?> outer;
                private final TestForm<?> middle;
                private final TestForm<?> inner;
 
-               public TestPage(IModel<Boolean> submittedOuter, boolean 
outerWantsInclusion,
-                       IModel<Boolean> submittedMiddle, boolean 
middleWantsInclusion,
-                       boolean middleWantsExclusion, IModel<Boolean> 
submittedInner)
+               TestPage(IModel<Boolean> submittedOuter, boolean 
outerWantsInclusion,
+                                IModel<Boolean> submittedMiddle, boolean 
middleWantsInclusion,
+                                boolean middleWantsExclusion, IModel<Boolean> 
submittedInner)
                {
                        outer = new TestForm<Void>("outer", submittedOuter, 
outerWantsInclusion, true);
                        this.add(outer);
@@ -91,16 +93,16 @@ public class NestedFormSubmitTest extends WicketTestCase
        private Model<Boolean> submittedInner;
        private TestPage page;
 
-       @Before
-       public void setUp() throws Exception
+       @BeforeEach
+       void setUp() throws Exception
        {
                submittedOuter = Model.of(false);
                submittedMiddle = Model.of(false);
                submittedInner = Model.of(false);
        }
 
-       @After
-       public void tearDown() throws Exception
+       @AfterEach
+       void tearDown() throws Exception
        {
                submittedInner.setObject(false);
                submittedMiddle.setObject(false);
@@ -134,55 +136,55 @@ public class NestedFormSubmitTest extends WicketTestCase
        private void assertFormsAreSubmitted(boolean expectSubmittedOuter,
                boolean expectSubmittedMiddle, boolean expectSubmittedInner)
        {
-               assertEquals("outer", expectSubmittedOuter, 
submittedOuter.getObject().booleanValue());
-               assertEquals("middle", expectSubmittedMiddle, 
submittedMiddle.getObject().booleanValue());
-               assertEquals("inner", expectSubmittedInner, 
submittedInner.getObject().booleanValue());
+               assertEquals(expectSubmittedOuter, 
submittedOuter.getObject().booleanValue(), "outer");
+               assertEquals(expectSubmittedMiddle, 
submittedMiddle.getObject().booleanValue(), "middle");
+               assertEquals(expectSubmittedInner, 
submittedInner.getObject().booleanValue(), "inner");
        }
 
        @Test
-       public void testDefaultOuterSubmitShouldSubmitAll() throws Exception
+       void testDefaultOuterSubmitShouldSubmitAll() throws Exception
        {
                startPage(false, false, true);
                assertFormSubmitOuter(true, true, true);
        }
 
        @Test
-       public void testDefaultMiddleSubmitShouldSubmitMiddleAndInner() throws 
Exception
+       void testDefaultMiddleSubmitShouldSubmitMiddleAndInner() throws 
Exception
        {
                startPage(false, false, true);
                assertFormSubmitMiddle(false, true, true);
        }
 
        @Test
-       public void testDefaultInnerSubmitShouldSubmitOnlyInner() throws 
Exception
+       void testDefaultInnerSubmitShouldSubmitOnlyInner() throws Exception
        {
                startPage(false, false, true);
                assertFormSubmitInner(false, false, true);
        }
 
        @Test
-       public void testWithOuterInclusionOuterIsSubmittedOnMiddleSubmit() 
throws Exception
+       void testWithOuterInclusionOuterIsSubmittedOnMiddleSubmit() throws 
Exception
        {
                startPage(true, false, true);
                assertFormSubmitMiddle(true, true, true);
        }
 
        @Test
-       public void testWithOuterInclusionOuterIsSubmittedOnInnerSubmit() 
throws Exception
+       void testWithOuterInclusionOuterIsSubmittedOnInnerSubmit() throws 
Exception
        {
                startPage(true, false, true);
                assertFormSubmitInner(true, true, true);
        }
 
        @Test
-       public void testWithMiddleInclusionMiddleIsSubmittedOnInnerSubmit() 
throws Exception
+       void testWithMiddleInclusionMiddleIsSubmittedOnInnerSubmit() throws 
Exception
        {
                startPage(false, true, true);
                assertFormSubmitInner(false, true, true);
        }
 
        @Test
-       public void 
testWithMiddleAndOuterInclusionMiddleAndOuterIsSubmittedOnInnerSubmit()
+       void 
testWithMiddleAndOuterInclusionMiddleAndOuterIsSubmittedOnInnerSubmit()
                throws Exception
        {
                startPage(true, true, true);
@@ -190,7 +192,7 @@ public class NestedFormSubmitTest extends WicketTestCase
        }
 
        @Test
-       public void testWithMiddleExclusionAndOuterIsSubmitted() throws 
Exception
+       void testWithMiddleExclusionAndOuterIsSubmitted() throws Exception
        {
                startPage(false, false, false);
                assertFormSubmitOuter(true, false, false);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsPage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsPage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsPage.java
index 494894f..8b056eb 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsPage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsPage.java
@@ -34,7 +34,7 @@ import org.slf4j.LoggerFactory;
 public class NestedFormsPage extends WebPage
 {
        private static final long serialVersionUID = 1L;
-       static Logger logger = LoggerFactory.getLogger(NestedFormsPage.class);
+       private static Logger logger = 
LoggerFactory.getLogger(NestedFormsPage.class);
 
        private final FeedbackPanel feedback;
 
@@ -83,7 +83,7 @@ public class NestedFormsPage extends WebPage
                 * @param id
                 *            the form's id
                 */
-               public NestableForm(String id)
+        NestableForm(String id)
                {
                        super(id);
                        setDefaultModel(new 
CompoundPropertyModel<NestableForm>(this));
@@ -139,7 +139,7 @@ public class NestedFormsPage extends WebPage
 
                private final Form<?> form;
 
-               public ToggleLink(String id, Form<?> form)
+               ToggleLink(String id, Form<?> form)
                {
                        super(id);
                        this.form = form;

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsTest.java
index 6b5b8c4..856d3f0 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NestedFormsTest.java
@@ -16,6 +16,8 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -27,18 +29,18 @@ import org.apache.wicket.util.resource.IResourceStream;
 import org.apache.wicket.util.resource.StringResourceStream;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * @author Pedro Santos
  */
-public class NestedFormsTest extends WicketTestCase
+class NestedFormsTest extends WicketTestCase
 {
        /**
         *
         */
        @Test
-       public void postOrderSequenceSubmittingRootForm()
+       void postOrderSequenceSubmittingRootForm()
        {
                tester.startPage(TestPage.class);
                TestPage testPage = (TestPage)tester.getLastRenderedPage();
@@ -54,7 +56,7 @@ public class NestedFormsTest extends WicketTestCase
         *
         */
        @Test
-       public void postOrderSequenceSubmittingInnerForm()
+       void postOrderSequenceSubmittingInnerForm()
        {
                tester.startPage(TestPage.class);
                TestPage testPage = (TestPage)tester.getLastRenderedPage();

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NumberTextFieldTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NumberTextFieldTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NumberTextFieldTest.java
index 04418ac..9bcb41d 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NumberTextFieldTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/NumberTextFieldTest.java
@@ -16,6 +16,9 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import java.math.BigDecimal;
 import java.util.Locale;
 
@@ -27,21 +30,21 @@ import org.apache.wicket.util.resource.IResourceStream;
 import org.apache.wicket.util.resource.StringResourceStream;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test for {@link NumberTextField}.
  * 
  * @author svenmeier
  */
-public class NumberTextFieldTest extends WicketTestCase
+class NumberTextFieldTest extends WicketTestCase
 {
 
        /**
         * WICKET-4884, WICKET-3591
         */
        @Test
-       public void convertBigDecimal()
+       void convertBigDecimal()
        {
                TestPage<BigDecimal> testPage = new TestPage<>();
                testPage.textField.setType(BigDecimal.class);
@@ -63,7 +66,7 @@ public class NumberTextFieldTest extends WicketTestCase
         * WICKET-4884, WICKET-3591
         */
        @Test
-       public void convertDouble()
+       void convertDouble()
        {
                TestPage<Double> testPage = new TestPage<Double>();
                testPage.textField.setType(Double.class);
@@ -85,7 +88,7 @@ public class NumberTextFieldTest extends WicketTestCase
         * WICKET-4884, WICKET-3591
         */
        @Test
-       public void convertLong()
+       void convertLong()
        {
                TestPage<Long> testPage = new TestPage<Long>();
                testPage.textField.setType(Long.class);
@@ -107,7 +110,7 @@ public class NumberTextFieldTest extends WicketTestCase
         * WICKET-5467
         */
        @Test
-       public void respectStepAny()
+       void respectStepAny()
        {
                TestPage<Double> testPage = new TestPage<Double>();
                testPage.textField.setType(Double.class);
@@ -123,7 +126,7 @@ public class NumberTextFieldTest extends WicketTestCase
         * WICKET-5467
         */
        @Test
-       public void respectStepWithNumberValue()
+       void respectStepWithNumberValue()
        {
                TestPage<Double> testPage = new TestPage<Double>();
                testPage.textField.setType(Double.class);
@@ -149,7 +152,7 @@ public class NumberTextFieldTest extends WicketTestCase
                NumberTextField<N> textField;
 
                /** */
-               public TestPage()
+               TestPage()
                {
                        add(form = new Form<Void>("form")
                        {

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/OnValidateModelObjectsTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/OnValidateModelObjectsTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/OnValidateModelObjectsTest.java
index ff2fc80..ac1098e 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/OnValidateModelObjectsTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/OnValidateModelObjectsTest.java
@@ -16,26 +16,26 @@
  */
 package org.apache.wicket.markup.html.form;
 
-import static org.hamcrest.CoreMatchers.is;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import org.apache.wicket.Page;
 import 
org.apache.wicket.markup.html.form.onFormValidateModelObjects.AddressFormPanel;
 import 
org.apache.wicket.markup.html.form.onFormValidateModelObjects.OnFormValidateModelObjectsPage;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test case for https://issues.apache.org/jira/browse/WICKET-4344
  */
-public class OnValidateModelObjectsTest extends WicketTestCase
+class OnValidateModelObjectsTest extends WicketTestCase
 {
        /**
         * Asserts that submitting the outer form will call {@link 
Form#onValidateModelObjects()}
         * for both the outer form and the inner form(s)
         */
        @Test
-       public void onValidateModelObjects()
+       void onValidateModelObjects()
        {
                tester.startPage(OnFormValidateModelObjectsPage.class);
                FormTester formTester = tester.newFormTester("parentForm");
@@ -43,9 +43,9 @@ public class OnValidateModelObjectsTest extends WicketTestCase
 
                Page page = tester.getLastRenderedPage();
                OnFormValidateModelObjectsPage.ParentModel parentModel = 
(OnFormValidateModelObjectsPage.ParentModel) page.getDefaultModelObject();
-               assertThat(parentModel.isParentValidated(), is(true));
+               assertEquals(true, parentModel.isParentValidated());
 
                AddressFormPanel.ChildModel childPanel = 
(AddressFormPanel.ChildModel) 
page.get("parentForm:addressInfo").getDefaultModelObject();
-               assertThat(childPanel.isChildValidated(), is(true));
+               assertEquals(true, childPanel.isChildValidated());
        }
 }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PasswordTextFieldTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PasswordTextFieldTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PasswordTextFieldTest.java
index 9b93fcc..53d4951 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PasswordTextFieldTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PasswordTextFieldTest.java
@@ -16,20 +16,24 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test for {@link PasswordTextField}.
  *
  * @author svenmeier
  */
-public class PasswordTextFieldTest extends WicketTestCase
+class PasswordTextFieldTest extends WicketTestCase
 {
 
        @Test
-       public void nullifyPassword()
+       void nullifyPassword()
        {
                TestModel model = new TestModel();
 
@@ -42,7 +46,7 @@ public class PasswordTextFieldTest extends WicketTestCase
        }
 
        @Test
-       public void nullifyPasswordOnNullModel()
+       void nullifyPasswordOnNullModel()
        {
                PasswordTextField field = new PasswordTextField("password");
                field.setVisible(false);
@@ -53,7 +57,7 @@ public class PasswordTextFieldTest extends WicketTestCase
 
 
        @Test
-       public void nullifyNoReset()
+       void nullifyNoReset()
        {
                TestModel model = new TestModel();
 
@@ -68,9 +72,9 @@ public class PasswordTextFieldTest extends WicketTestCase
 
        private class TestModel implements IModel<String>
        {
-               public boolean detached;
+               boolean detached;
 
-               public String password = "test";
+               String password = "test";
 
                @Override
                public String getObject()

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PrimitiveTypeRequiredTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PrimitiveTypeRequiredTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PrimitiveTypeRequiredTest.java
index db1520a..0b7862c 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PrimitiveTypeRequiredTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/PrimitiveTypeRequiredTest.java
@@ -16,22 +16,24 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import org.apache.wicket.WicketRuntimeException;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * @author jcompagner
  */
-public class PrimitiveTypeRequiredTest extends WicketTestCase
+class PrimitiveTypeRequiredTest extends WicketTestCase
 {
 
        /**
         * @throws Exception
         */
        @Test
-       public void primitiveClass() throws Exception
+       void primitiveClass() throws Exception
        {
                TextField<Integer> tf = new TextField<Integer>("test", 
int.class);
                assertTrue(tf.isRequired());

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioChoiceTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioChoiceTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioChoiceTest.java
index c5e4897..02e1184 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioChoiceTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioChoiceTest.java
@@ -19,12 +19,12 @@ package org.apache.wicket.markup.html.form;
 import java.util.Arrays;
 
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-public class RadioChoiceTest extends WicketTestCase
+class RadioChoiceTest extends WicketTestCase
 {
        @Test
-       public void defaultLabelPositionIsAfter() throws Exception
+    void defaultLabelPositionIsAfter() throws Exception
        {
                RadioChoice<Integer> radioChoice = new 
RadioChoice<Integer>("testid", Arrays.asList(1));
                tester.startComponentInPage(radioChoice);
@@ -33,7 +33,7 @@ public class RadioChoiceTest extends WicketTestCase
        }
 
        @Test
-       public void labelPositionBefore() throws Exception
+    void labelPositionBefore() throws Exception
        {
                RadioChoice<Integer> radioChoice = new 
RadioChoice<Integer>("testid", Arrays.asList(1));
                
radioChoice.setLabelPosition(AbstractChoice.LabelPosition.BEFORE);
@@ -43,7 +43,7 @@ public class RadioChoiceTest extends WicketTestCase
        }
 
        @Test
-       public void labelPositionWrapBefore() throws Exception
+    void labelPositionWrapBefore() throws Exception
        {
                RadioChoice<Integer> radioChoice = new 
RadioChoice<Integer>("testid", Arrays.asList(1));
                
radioChoice.setLabelPosition(AbstractChoice.LabelPosition.WRAP_BEFORE);
@@ -53,7 +53,7 @@ public class RadioChoiceTest extends WicketTestCase
        }
 
        @Test
-       public void labelPositionWrapAfter() throws Exception
+    void labelPositionWrapAfter() throws Exception
        {
                RadioChoice<Integer> radioChoice = new 
RadioChoice<Integer>("testid", Arrays.asList(1));
                
radioChoice.setLabelPosition(AbstractChoice.LabelPosition.WRAP_AFTER);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioGroupTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioGroupTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioGroupTest.java
index 6165a02..c8bbaa9 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioGroupTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/RadioGroupTest.java
@@ -16,11 +16,14 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import org.apache.wicket.WicketRuntimeException;
 import org.apache.wicket.model.Model;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * Test for RadioGroup and Radio components
@@ -28,13 +31,13 @@ import org.junit.Test;
  * @author igor
  * 
  */
-public class RadioGroupTest extends WicketTestCase
+class RadioGroupTest extends WicketTestCase
 {
        /**
         * test component form processing
         */
        @Test
-       public void formProcessing()
+       void formProcessing()
        {
                // object used to test regular model
                Model<String> model = new Model<String>();
@@ -46,24 +49,21 @@ public class RadioGroupTest extends WicketTestCase
                tester.startPage(page);
 
                tester.submitForm(page.form);
-               assertTrue("group: running with nothing selected - model must 
be set to null",
-                       model.getObject() == null);
+               assertTrue(model.getObject() == null, "group: running with 
nothing selected - model must be set to null");
 
                tester.getRequest()
                        .getPostParameters()
                        .setParameterValue(page.group.getInputName(), 
page.radio1.getValue());
                tester.submitForm(page.form);
 
-               assertEquals("group: running with choice1 selected - model must 
be set to value of radio1",
-                       model.getObject(), "radio1");
+               assertEquals("radio1", model.getObject(), "group: running with 
choice1 selected - model must be set to value of radio1");
 
                tester.getRequest()
                        .getPostParameters()
                        .setParameterValue(page.group.getInputName(), 
page.radio2.getValue());
                tester.submitForm(page.form);
 
-               assertEquals("group: running with choice2 selected - model must 
be set to value of radio2",
-                       model.getObject(), "radio2");
+               assertEquals("radio2", model.getObject(), "group: running with 
choice2 selected - model must be set to value of radio2");
 
                tester.getRequest()
                        .getPostParameters()
@@ -86,7 +86,7 @@ public class RadioGroupTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void rendering() throws Exception
+       void rendering() throws Exception
        {
                executeTest(RadioGroupTestPage1.class, 
"RadioGroupTestPage1_expected.html");
                try
@@ -110,7 +110,7 @@ public class RadioGroupTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void radioGroupTestPage3() throws Exception
+       void radioGroupTestPage3() throws Exception
        {
                // this test fails. You can make the test pass by closing the 
input tags
                // this was not the case in beta1
@@ -121,7 +121,7 @@ public class RadioGroupTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void disabledRadioGroup() throws Exception
+       void disabledRadioGroup() throws Exception
        {
                executeTest(RadioGroupDisabledTestPage.class, 
"RadioGroupDisabledTestPage_expected.html");
        }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TestFormHasError.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TestFormHasError.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TestFormHasError.java
index a065110..6b81374 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TestFormHasError.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TestFormHasError.java
@@ -17,18 +17,18 @@
 package org.apache.wicket.markup.html.form;
 
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  */
-public class TestFormHasError extends WicketTestCase
+class TestFormHasError extends WicketTestCase
 {
 
        /**
         * testFormHasError()
         */
        @Test
-       public void testFormHasError()
+    void testFormHasError()
        {
                tester.startPage(FormHasErrorPage.class);
                tester.assertRenderedPage(FormHasErrorPage.class);
@@ -40,7 +40,7 @@ public class TestFormHasError extends WicketTestCase
         * testFormComponentHasError()
         */
        @Test
-       public void testFormComponentHasError()
+    void testFormComponentHasError()
        {
                tester.startPage(FormHasErrorPage.class);
                tester.assertRenderedPage(FormHasErrorPage.class);
@@ -52,7 +52,7 @@ public class TestFormHasError extends WicketTestCase
         * testComponentHasError()
         */
        @Test
-       public void testComponentHasError()
+    void testComponentHasError()
        {
                tester.startPage(FormHasErrorPage.class);
                tester.assertRenderedPage(FormHasErrorPage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextAreaTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextAreaTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextAreaTest.java
index a75bcd3..daf5b26 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextAreaTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextAreaTest.java
@@ -16,6 +16,8 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.MarkupContainer;
 import org.apache.wicket.markup.IMarkupResourceStreamProvider;
 import org.apache.wicket.markup.html.HTML5Attributes;
@@ -26,18 +28,18 @@ import org.apache.wicket.util.resource.IResourceStream;
 import org.apache.wicket.util.resource.StringResourceStream;
 import org.apache.wicket.util.tester.TagTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  *
  */
-public class TextAreaTest extends WicketTestCase
+class TextAreaTest extends WicketTestCase
 {
        /**
         * https://issues.apache.org/jira/browse/WICKET-5289
         */
        @Test
-       public void requiredAttribute()
+       void requiredAttribute()
        {
                TestPage testPage = new TestPage();
                testPage.textArea.setOutputMarkupId(true);
@@ -60,7 +62,7 @@ public class TextAreaTest extends WicketTestCase
                IModel<String> textModel = Model.of((String)null);
 
                /** */
-               public TestPage()
+               TestPage()
                {
                        add(form = new Form<>("form"));
                        form.add(textArea = new TextArea<>("textarea", 
textModel));

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextFieldTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextFieldTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextFieldTest.java
index 5af5917..be0ca52 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextFieldTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/TextFieldTest.java
@@ -16,6 +16,9 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import org.apache.wicket.MarkupContainer;
 import org.apache.wicket.markup.IMarkupResourceStreamProvider;
 import org.apache.wicket.markup.html.HTML5Attributes;
@@ -29,16 +32,16 @@ import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.TagTester;
 import org.apache.wicket.util.tester.WicketTestCase;
 import org.apache.wicket.validation.validator.StringValidator;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * @author Pedro Santos
  */
-public class TextFieldTest extends WicketTestCase
+class TextFieldTest extends WicketTestCase
 {
        /** */
        @Test
-       public void emptyInputConvertedToNull()
+       void emptyInputConvertedToNull()
        {
                TestPage testPage = new TestPage();
                testPage.textField.setType(String.class);
@@ -54,7 +57,7 @@ public class TextFieldTest extends WicketTestCase
         * Asserting that the value attribute on tag input is escaped once by 
default
         */
        @Test
-       public void valueAttribute()
+       void valueAttribute()
        {
                TestPage testPage = new TestPage();
                String text = "some text & another text";
@@ -67,7 +70,7 @@ public class TextFieldTest extends WicketTestCase
         * Assert that null input is not validated.
         */
        @Test
-       public void nullIsNotValidated()
+       void nullIsNotValidated()
        {
                TestPage testPage = new TestPage();
                testPage.textField.setType(String.class);
@@ -85,7 +88,7 @@ public class TextFieldTest extends WicketTestCase
         * https://issues.apache.org/jira/browse/WICKET-5289
         */
        @Test
-       public void requiredAttribute()
+       void requiredAttribute()
        {
                TestPage testPage = new TestPage();
                testPage.textField.setOutputMarkupId(true);
@@ -108,7 +111,7 @@ public class TextFieldTest extends WicketTestCase
                IModel<String> textModel = Model.of((String)null);
 
                /** */
-               public TestPage()
+               TestPage()
                {
                        add(form = new Form<>("form"));
                        form.add(textField = new TextField<>("text", 
textModel));

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/ValidatorPropertiesTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/ValidatorPropertiesTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/ValidatorPropertiesTest.java
index e4231c8..8ed791d 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/ValidatorPropertiesTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/ValidatorPropertiesTest.java
@@ -16,6 +16,9 @@
  */
 package org.apache.wicket.markup.html.form;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
 import java.util.Locale;
 import java.util.MissingResourceException;
 
@@ -23,7 +26,7 @@ import org.apache.wicket.properties.MyApplication;
 import org.apache.wicket.properties.TestPage;
 import org.apache.wicket.protocol.http.WebApplication;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * 
@@ -33,7 +36,7 @@ import org.junit.Test;
  * 
  * @author Juergen Donnerstag
  */
-public class ValidatorPropertiesTest extends WicketTestCase
+class ValidatorPropertiesTest extends WicketTestCase
 {
 
        @Override
@@ -46,7 +49,7 @@ public class ValidatorPropertiesTest extends WicketTestCase
         * 
         */
        @Test
-       public void test1()
+       void test1()
        {
                tester.getSession().setLocale(Locale.ENGLISH);
 
@@ -296,7 +299,7 @@ public class ValidatorPropertiesTest extends WicketTestCase
         * 
         */
        @Test
-       public void test2()
+       void test2()
        {
                
tester.getApplication().getResourceSettings().setThrowExceptionOnMissingResource(false);
 
@@ -311,7 +314,7 @@ public class ValidatorPropertiesTest extends WicketTestCase
         * 
         */
        @Test
-       public void test3()
+       void test3()
        {
                
tester.getApplication().getResourceSettings().setThrowExceptionOnMissingResource(true);
 
@@ -324,6 +327,7 @@ public class ValidatorPropertiesTest extends WicketTestCase
                {
                        hit = true;
                }
-               assertEquals("MissingResourceException expected", hit, true);
+
+               assertEquals(true, hit, "MissingResourceException expected");
        }
 }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage.java
index aa909bf..b3c5f91 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage.java
@@ -16,22 +16,24 @@
  */
 package org.apache.wicket.markup.html.form.border;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Simple test using the WicketTester
  */
-public class TestHomePage extends WicketTestCase
+class TestHomePage extends WicketTestCase
 {
        /**
         * 
         */
-       @Before
-       public void before()
+       @BeforeEach
+       void before()
        {
                // Start and render the test page
                tester.startPage(HomePage.class);
@@ -39,7 +41,7 @@ public class TestHomePage extends WicketTestCase
        }
 
        @Test
-       public void testWithBorder2()
+       void testWithBorder2()
        {
                FormTester formTester = tester.newFormTester("border:form");
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage_2134.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage_2134.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage_2134.java
index 72dcf83..e93f4d4 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage_2134.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/border/TestHomePage_2134.java
@@ -16,20 +16,22 @@
  */
 package org.apache.wicket.markup.html.form.border;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Simple test using the WicketTester
  */
-public class TestHomePage_2134 extends WicketTestCase
+class TestHomePage_2134 extends WicketTestCase
 {
        /**
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage()
+       void testRenderMyPage()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);
@@ -49,7 +51,7 @@ public class TestHomePage_2134 extends WicketTestCase
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage2()
+       void testRenderMyPage2()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);
@@ -71,7 +73,7 @@ public class TestHomePage_2134 extends WicketTestCase
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage3()
+       void testRenderMyPage3()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/encryption/CryptTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/encryption/CryptTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/encryption/CryptTest.java
index 1211580..8eea58d 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/encryption/CryptTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/encryption/CryptTest.java
@@ -16,20 +16,22 @@
  */
 package org.apache.wicket.markup.html.form.encryption;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
 import org.apache.wicket.util.crypt.ICrypt;
 import org.apache.wicket.util.crypt.NoCrypt;
 import org.apache.wicket.util.crypt.SunJceCrypt;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * @author Juergen Donnerstag
  */
-public class CryptTest extends WicketTestCase
+class CryptTest extends WicketTestCase
 {
        @Test
-       public void crypt()
+       void crypt()
        {
                final ICrypt crypt = new SunJceCrypt();
                crypt.setKey("someStableKey");
@@ -58,7 +60,7 @@ public class CryptTest extends WicketTestCase
         * 
         */
        @Test
-       public void noCrypt()
+       void noCrypt()
        {
                // The NoCrypt implementation does not modify the string at all
                final ICrypt crypt = new NoCrypt();

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/feedback/FormFeedbackTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/feedback/FormFeedbackTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/feedback/FormFeedbackTest.java
index 2f50b5c..57a2f9c 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/feedback/FormFeedbackTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/feedback/FormFeedbackTest.java
@@ -18,19 +18,19 @@ package org.apache.wicket.markup.html.form.feedback;
 
 import org.apache.wicket.Page;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * @author jcompagner
  */
-public class FormFeedbackTest extends WicketTestCase
+class FormFeedbackTest extends WicketTestCase
 {
 
        /**
         * @throws Exception
         */
        @Test
-       public void formComponentFeedbackBorder() throws Exception
+    void formComponentFeedbackBorder() throws Exception
        {
                Page page = tester.startPage(FeedbackFormPage.class);
                tester.assertRenderedPage(FeedbackFormPage.class);
@@ -44,7 +44,7 @@ public class FormFeedbackTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void formComponentFeedbackIndicator() throws Exception
+    void formComponentFeedbackIndicator() throws Exception
        {
                Page page = tester.startPage(FeedbackIndicatorFormPage.class);
                tester.assertRenderedPage(FeedbackIndicatorFormPage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/formComponentPanel/SimplePageTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/formComponentPanel/SimplePageTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/formComponentPanel/SimplePageTest.java
index 0137cf8..bc6fbe9 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/formComponentPanel/SimplePageTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/formComponentPanel/SimplePageTest.java
@@ -16,16 +16,18 @@
  */
 package org.apache.wicket.markup.html.form.formComponentPanel;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-
 /**
  * 
  */
-public class SimplePageTest extends WicketTestCase
+class SimplePageTest extends WicketTestCase
 {
        private static final Logger log = 
LoggerFactory.getLogger(SimplePageTest.class);
 
@@ -33,7 +35,7 @@ public class SimplePageTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void renderHomePage() throws Exception
+       void renderHomePage() throws Exception
        {
                tester.startComponentInPage(MyFormComponentPanel.class);
                String doc = tester.getLastResponseAsString();
@@ -47,7 +49,7 @@ public class SimplePageTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void renderHomePageWithHeaderContribution() throws Exception
+       void renderHomePageWithHeaderContribution() throws Exception
        {
                tester.startComponentInPage(MyFormComponentPanel.class);
                String doc = tester.getLastResponse().getDocument();

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/ImageButtonTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/ImageButtonTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/ImageButtonTest.java
index 1239848..7e7ffae 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/ImageButtonTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/ImageButtonTest.java
@@ -19,19 +19,19 @@ package org.apache.wicket.markup.html.form.imagebutton;
 import java.util.Locale;
 
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * @author Juergen Donnerstag
  */
-public class ImageButtonTest extends WicketTestCase
+class ImageButtonTest extends WicketTestCase
 {
        /**
         * 
         * @throws Exception
         */
        @Test
-       public void imageButton() throws Exception
+    void imageButton() throws Exception
        {
                Locale.setDefault(new Locale("en", "US"));
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/InvalidImageButtonTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/InvalidImageButtonTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/InvalidImageButtonTest.java
index acfcf96..b6a9160 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/InvalidImageButtonTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/InvalidImageButtonTest.java
@@ -17,17 +17,17 @@
 package org.apache.wicket.markup.html.form.imagebutton;
 
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  */
-public class InvalidImageButtonTest extends WicketTestCase
+class InvalidImageButtonTest extends WicketTestCase
 {
        /**
         * testInvalidImage()
         */
        @Test
-       public void invalidImage()
+    void invalidImage()
        {
                tester.startPage(InvalidImageButtonPage.class);
                tester.assertRenderedPage(InvalidImageButtonPage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/PubApplication.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/PubApplication.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/PubApplication.java
index 8afc459..d736a0d 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/PubApplication.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/imagebutton/PubApplication.java
@@ -24,7 +24,7 @@ import org.apache.wicket.protocol.http.WebApplication;
  * 
  * @author Jonathan Locke
  */
-public class PubApplication extends WebApplication
+class PubApplication extends WebApplication
 {
        /**
         * Constructor

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/InterceptTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/InterceptTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/InterceptTest.java
index 6eb693b..665d232 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/InterceptTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/InterceptTest.java
@@ -16,6 +16,8 @@
  */
 package org.apache.wicket.markup.html.form.login;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.Page;
 import org.apache.wicket.RestartResponseAtInterceptPageException;
 import org.apache.wicket.Session;
@@ -29,14 +31,13 @@ import 
org.apache.wicket.request.component.IRequestableComponent;
 import org.apache.wicket.util.string.Strings;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * @author marrink
  * 
  */
-public class InterceptTest extends WicketTestCase
+class InterceptTest extends WicketTestCase
 {
        @Override
        protected WebApplication newApplication()
@@ -48,7 +49,7 @@ public class InterceptTest extends WicketTestCase
         * 
         */
        @Test
-       public void formSubmit()
+       void formSubmit()
        {
                // same as above but uses different technique to login
                tester.startPage(tester.getApplication().getHomePage());
@@ -65,7 +66,7 @@ public class InterceptTest extends WicketTestCase
         * 
         */
        @Test
-       public void clickLink()
+       void clickLink()
        {
                tester.startPage(tester.getApplication().getHomePage());
                MockLoginPage loginPage = 
(MockLoginPage)tester.getLastRenderedPage();
@@ -86,7 +87,7 @@ public class InterceptTest extends WicketTestCase
         * 
         */
        @Test
-       public void clickLink2()
+       void clickLink2()
        {
                // same as above but uses different technique to login
                tester.startPage(tester.getApplication().getHomePage());
@@ -129,7 +130,7 @@ public class InterceptTest extends WicketTestCase
                 * 
                 * @return Class
                 */
-               public Class<? extends Page> getLoginPage()
+               Class<? extends Page> getLoginPage()
                {
                        return MockLoginPage.class;
                }
@@ -154,7 +155,7 @@ public class InterceptTest extends WicketTestCase
                /**
                 * @param request
                 */
-               protected MySession(Request request)
+               MySession(Request request)
                {
                        super(request);
                }
@@ -164,7 +165,7 @@ public class InterceptTest extends WicketTestCase
                        return username;
                }
 
-               protected final void setUsername(String username)
+               final void setUsername(String username)
                {
                        this.username = username;
                }
@@ -173,7 +174,7 @@ public class InterceptTest extends WicketTestCase
                 * 
                 * @return boolean
                 */
-               public boolean isLoggedIn()
+               boolean isLoggedIn()
                {
                        return !Strings.isEmpty(username);
                }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/MockLoginPage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/MockLoginPage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/MockLoginPage.java
index 52f4a8a..637543f 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/MockLoginPage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/login/MockLoginPage.java
@@ -64,7 +64,7 @@ public class MockLoginPage extends WebPage
         * @param username
         * @return boolean
         */
-       public boolean login(String username)
+    private boolean login(String username)
        {
                ((MySession)Session.get()).setUsername(username);
                continueToOriginalDestination();

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/onFormValidateModelObjects/OnFormValidateModelObjectsPage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/onFormValidateModelObjects/OnFormValidateModelObjectsPage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/onFormValidateModelObjects/OnFormValidateModelObjectsPage.java
index bc94321..d6e93f9 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/onFormValidateModelObjects/OnFormValidateModelObjectsPage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/onFormValidateModelObjects/OnFormValidateModelObjectsPage.java
@@ -129,7 +129,7 @@ public class OnFormValidateModelObjectsPage extends WebPage
 
                boolean parentValidated;
 
-               public ParentModel()
+               ParentModel()
                {
                        super();
                }
@@ -159,7 +159,7 @@ public class OnFormValidateModelObjectsPage extends WebPage
                        return parentValidated;
                }
 
-               public void setParentValidated(boolean parentValid)
+               void setParentValidated(boolean parentValid)
                {
                        this.parentValidated = parentValid;
                }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage.java
index 1c9e388..d628173 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage.java
@@ -16,18 +16,20 @@
  */
 package org.apache.wicket.markup.html.form.panelBorder;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Simple test using the WicketTester
  */
-public class TestHomePage extends WicketTestCase
+class TestHomePage extends WicketTestCase
 {
        @Test
-       public void testWithBorder2()
+       void testWithBorder2()
        {
                tester.startPage(HomePage.class);
                tester.assertRenderedPage(HomePage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage_2134.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage_2134.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage_2134.java
index 3150d0f..b6d7054 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage_2134.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/panelBorder/TestHomePage_2134.java
@@ -16,20 +16,22 @@
  */
 package org.apache.wicket.markup.html.form.panelBorder;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Simple test using the WicketTester
  */
-public class TestHomePage_2134 extends WicketTestCase
+class TestHomePage_2134 extends WicketTestCase
 {
        /**
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage()
+       void testRenderMyPage()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);
@@ -49,7 +51,7 @@ public class TestHomePage_2134 extends WicketTestCase
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage2()
+       void testRenderMyPage2()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);
@@ -71,7 +73,7 @@ public class TestHomePage_2134 extends WicketTestCase
         * WICKET-2134: two forms inside a border throw a ConversionException 
error
         */
        @Test
-       public void testRenderMyPage3()
+       void testRenderMyPage3()
        {
                // start and render the test page
                tester.startPage(CommonModelPage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/HomePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/HomePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/HomePage.java
index a8db477..8ce997b 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/HomePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/HomePage.java
@@ -16,8 +16,8 @@
  */
 package org.apache.wicket.markup.html.form.submitlink;
 
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.apache.wicket.markup.html.WebPage;
 import org.apache.wicket.markup.html.form.Form;
@@ -29,10 +29,10 @@ import org.apache.wicket.model.PropertyModel;
  */
 public class HomePage extends WebPage
 {
-       boolean submitted = false;
-       boolean submittedViaLinkBefore = false;
-       boolean submittedViaLinkAfter = false;
-       String text;
+       private boolean submitted = false;
+       private boolean submittedViaLinkBefore = false;
+       private boolean submittedViaLinkAfter = false;
+       private String text;
        /**
         *
         */
@@ -70,14 +70,14 @@ public class HomePage extends WebPage
                        public void onSubmit()
                        {
                                submittedViaLinkBefore = true;
-                               assertFalse("before must be the first!", 
submittedViaLinkAfter);
+                               assertFalse(submittedViaLinkAfter, "before must 
be the first!");
                        }
 
 
                        @Override
                        public void onAfterSubmit()
                        {
-                               assertTrue("before must have been called!", 
submittedViaLinkBefore);
+                               assertTrue(submittedViaLinkBefore, "before must 
have been called!");
                                submittedViaLinkAfter = true;
                        }
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/TestHomePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/TestHomePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/TestHomePage.java
index 6a9981b..f799df2 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/TestHomePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/submitlink/TestHomePage.java
@@ -16,19 +16,22 @@
  */
 package org.apache.wicket.markup.html.form.submitlink;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  */
-public class TestHomePage extends WicketTestCase
+class TestHomePage extends WicketTestCase
 {
        /**
         * testSubmitLinkByClickingLink()
         */
        @Test
-       public void testSubmitLinkByClickingLink()
+       void testSubmitLinkByClickingLink()
        {
                tester.startPage(HomePage.class);
                tester.assertRenderedPage(HomePage.class);
@@ -36,11 +39,10 @@ public class TestHomePage extends WicketTestCase
                
tester.getRequest().getPostParameters().setParameterValue("text", "Hello");
                tester.clickLink("form:link");
                assertEquals("Hello", home.getText());
-               assertTrue("Form.onSubmit() has not been called!", 
home.isSubmitted());
-               assertTrue("SubmitLink.onSubmit() has not been called!",
-                       home.isSubmittedViaLinkBefore());
-               assertTrue("SubmitLink.onAfterSubmit() has not been called!",
-                       home.isSubmittedViaLinkAfter());
+               assertTrue(home.isSubmitted(), "Form.onSubmit() has not been 
called!");
+               assertTrue(home.isSubmittedViaLinkBefore(), 
"SubmitLink.onSubmit() has not been called!");
+               assertTrue(home.isSubmittedViaLinkAfter(),
+                       "SubmitLink.onAfterSubmit() has not been called!");
 
        }
 
@@ -48,7 +50,7 @@ public class TestHomePage extends WicketTestCase
         * testSubmitLinkBySubmittingForm()
         */
        @Test
-       public void testSubmitLinkBySubmittingForm()
+       void testSubmitLinkBySubmittingForm()
        {
                tester.startPage(HomePage.class);
                tester.assertRenderedPage(HomePage.class);
@@ -58,18 +60,17 @@ public class TestHomePage extends WicketTestCase
                
tester.getRequest().getPostParameters().setParameterValue("link", "");
                tester.submitForm("form");
                assertEquals("Hello", home.getText());
-               assertTrue("Form.onSubmit() has not been called!", 
home.isSubmitted());
-               assertTrue("SubmitLink.onSubmit() has not been called!",
-                       home.isSubmittedViaLinkBefore());
-               assertTrue("SubmitLink.onAfterSubmit() has not been called!",
-                       home.isSubmittedViaLinkAfter());
+               assertTrue(home.isSubmitted(), "Form.onSubmit() has not been 
called!");
+               assertTrue(home.isSubmittedViaLinkBefore(), 
"SubmitLink.onSubmit() has not been called!");
+               assertTrue(home.isSubmittedViaLinkAfter(),
+                       "SubmitLink.onAfterSubmit() has not been called!");
        }
 
        /**
         * testSubmitLinkByUsingFormTester()
         */
        @Test
-       public void testSubmitLinkByUsingFormTester()
+       void testSubmitLinkByUsingFormTester()
        {
                tester.startPage(HomePage.class);
                tester.assertRenderedPage(HomePage.class);
@@ -78,11 +79,10 @@ public class TestHomePage extends WicketTestCase
                formTester.setValue("text", "Hello");
                formTester.submit("link");
                assertEquals("Hello", home.getText());
-               assertTrue("Form.onSubmit() has not been called!", 
home.isSubmitted());
-               assertTrue("SubmitLink.onSubmit() has not been called!",
-                       home.isSubmittedViaLinkBefore());
-               assertTrue("SubmitLink.onAfterSubmit() has not been called!",
-                       home.isSubmittedViaLinkAfter());
+               assertTrue(home.isSubmitted(), "Form.onSubmit() has not been 
called!");
+               assertTrue(home.isSubmittedViaLinkBefore(), 
"SubmitLink.onSubmit() has not been called!");
+               assertTrue(home.isSubmittedViaLinkAfter(),
+                       "SubmitLink.onAfterSubmit() has not been called!");
        }
 
 }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadErrorTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadErrorTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadErrorTest.java
index a3d47c7..ccf1ea1 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadErrorTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadErrorTest.java
@@ -16,19 +16,21 @@
  */
 package org.apache.wicket.markup.html.form.upload;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.util.Locale;
 
-import org.apache.wicket.WicketRuntimeException;
 import org.apache.wicket.util.file.File;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * see WICKET-2015
  */
-public class FileUploadErrorTest extends WicketTestCase
+class FileUploadErrorTest extends WicketTestCase
 {
        private FormTester formTester;
        private final String textFieldId = "textField";
@@ -38,8 +40,8 @@ public class FileUploadErrorTest extends WicketTestCase
        /**
         * 
         */
-       @Before
-       public void before()
+       @BeforeEach
+       void before()
        {
                // Start and render the test page
                tester.startPage(FileUploadError.class);
@@ -55,7 +57,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * FileUpload is empty on submit: Validation fails to see that 
TextField is also required.
         */
        @Test
-       public void testSubmit_NoInput()
+       void testSubmit_NoInput()
        {
                formTester.submit();
                tester.assertErrorMessages("'textField' is required.");
@@ -65,7 +67,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * FileUpload is filled on submit: TexttField is required.
         */
        @Test
-       public void testSubmit_NoInput_FileUploaded()
+       void testSubmit_NoInput_FileUploaded()
        {
                formTester.setFile(fileUploadId, new File(testUploadFilePath), 
"UTF-8");
                formTester.submit();
@@ -77,7 +79,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * FileUpload is empty on submit: Validation fails to report too short 
TextField input.
         */
        @Test
-       public void testSubmit_NotValidTextFieldValue()
+       void testSubmit_NotValidTextFieldValue()
        {
                formTester.setValue(textFieldId, "te");
                formTester.submit();
@@ -90,7 +92,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * FileUpload is empty on submit: Validation fails to report too short 
TextField input.
         */
        @Test
-       public void testSubmit_NotValidTextFieldValue2()
+       void testSubmit_NotValidTextFieldValue2()
        {
                formTester.setValue(textFieldId, "12345678901");
                formTester.submit();
@@ -103,7 +105,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * FileUpload is filled on submit: Validation reports too short 
TextField input.
         */
        @Test
-       public void testSubmit_NotValidTextFieldValue_FileUploaded()
+       void testSubmit_NotValidTextFieldValue_FileUploaded()
        {
                formTester.setValue(textFieldId, "te");
                formTester.setFile(fileUploadId, new File(testUploadFilePath), 
"UTF-8");
@@ -117,7 +119,7 @@ public class FileUploadErrorTest extends WicketTestCase
         * Throwing exception confirms that value is received.
         */
        @Test
-       public void testSubmit_ValidTextField_NoFile()
+       void testSubmit_ValidTextField_NoFile()
        {
                formTester.setValue(textFieldId, 
FileUploadError.THIS_VALUE_SHOULD_THROW_EXCEPTION);
                try
@@ -133,7 +135,7 @@ public class FileUploadErrorTest extends WicketTestCase
        }
 
        @Test
-       public void testSubmit_ValidTextField_WithFile()
+       void testSubmit_ValidTextField_WithFile()
        {
                formTester.setValue(textFieldId, "test value");
                formTester.setFile(fileUploadId, new File(testUploadFilePath), 
"UTF-8");
@@ -143,7 +145,7 @@ public class FileUploadErrorTest extends WicketTestCase
        }
 
        @Test
-       public void testSubmit_RequiredFileUpload_Ok()
+       void testSubmit_RequiredFileUpload_Ok()
        {
                ((FileUploadField)tester.getLastRenderedPage().get("form:" + 
fileUploadId)).setRequired(true);
 
@@ -155,7 +157,7 @@ public class FileUploadErrorTest extends WicketTestCase
        }
 
        @Test
-       public void 
testSubmit_RequiredFileUpload_ShouldFailWithValidationError()
+       void testSubmit_RequiredFileUpload_ShouldFailWithValidationError()
        {
                ((FileUploadField)tester.getLastRenderedPage().get("form:" + 
fileUploadId)).setRequired(true);
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadFieldTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadFieldTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadFieldTest.java
index 7454602..89dc8d8 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadFieldTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadFieldTest.java
@@ -16,6 +16,12 @@
  */
 package org.apache.wicket.markup.html.form.upload;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.io.BufferedOutputStream;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -30,15 +36,14 @@ import org.apache.wicket.util.tester.WicketTestCase;
 import org.apache.wicket.validation.IValidatable;
 import org.apache.wicket.validation.IValidator;
 import org.apache.wicket.validation.ValidationError;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * Test of FileUploadField
  * 
  * @author Frank Bille (billen)
  */
-public class FileUploadFieldTest extends WicketTestCase
+class FileUploadFieldTest extends WicketTestCase
 {
        private static final String TEST_FILE_NAME = 
FileUploadFieldTest.class.getName();
 
@@ -49,7 +54,7 @@ public class FileUploadFieldTest extends WicketTestCase
         *             '
         */
        @Test
-       public void internalDetach() throws IOException
+       void internalDetach() throws IOException
        {
                tester.startPage(MockPageWithFormAndUploadField.class);
 
@@ -113,7 +118,7 @@ public class FileUploadFieldTest extends WicketTestCase
         * @throws IOException
         */
        @Test
-       public void fileUploadCanBeValidated() throws IOException
+       void fileUploadCanBeValidated() throws IOException
        {
                tester.startPage(TestValidationPage.class);
                // creating the file expected by form validators
@@ -130,7 +135,7 @@ public class FileUploadFieldTest extends WicketTestCase
         * https://issues.apache.org/jira/browse/WICKET-5691
         */
        @Test
-       public void testEmptyField() throws Exception
+       void testEmptyField() throws Exception
        {
                tester.startPage(TestValidationPage.class);
                
@@ -153,7 +158,7 @@ public class FileUploadFieldTest extends WicketTestCase
         * https://issues.apache.org/jira/browse/WICKET-6270
         */
        @Test
-       public void testEmptyFieldAsBrowserSendsIt() throws Exception
+       void testEmptyFieldAsBrowserSendsIt() throws Exception
        {
                tester.startPage(TestValidationPage.class);
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadServletPartTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadServletPartTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadServletPartTest.java
index 629371f..7012727 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadServletPartTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadServletPartTest.java
@@ -16,9 +16,12 @@
  */
 package org.apache.wicket.markup.html.form.upload;
 
-import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.notNullValue;
-import static org.hamcrest.Matchers.nullValue;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
@@ -29,7 +32,6 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
-
 import javax.servlet.http.Part;
 
 import org.apache.wicket.protocol.http.mock.MockHttpServletRequest;
@@ -37,13 +39,12 @@ import org.apache.wicket.request.resource.AbstractResource;
 import org.apache.wicket.util.io.IOUtils;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * Test of FileUpload with simulated Servlet 3.0 multipart config
  */
-public class FileUploadServletPartTest extends WicketTestCase
+class FileUploadServletPartTest extends WicketTestCase
 {
        /**
         * Tests support for uploading files with Servlet 3.0 multipart upload
@@ -52,7 +53,7 @@ public class FileUploadServletPartTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void uploadServlet30Multipart() throws Exception
+       void uploadServlet30Multipart() throws Exception
        {
                MockPageWithFormAndUploadField page = 
tester.startPage(MockPageWithFormAndUploadField.class);
 
@@ -69,24 +70,24 @@ public class FileUploadServletPartTest extends 
WicketTestCase
                assertEquals(Servlet3Part.CONTENT_TYPE, 
fileUpload.getContentType());
                assertArrayEquals(Servlet3Part.DATA, 
IOUtils.toByteArray(fileUpload.getInputStream()));
 
-               assertThat(part.written.get(), is(nullValue()));
+               assertNull(part.written.get());
                fileUpload.writeToTempFile();
-               assertThat(part.written.get(), is(notNullValue()));
+               assertNotNull(part.written.get());
 
-               assertThat(part.deleted.get(), is(false));
+               assertFalse(part.deleted.get());
                fileUpload.delete();
-               assertThat(part.deleted.get(), is(true));
+               assertTrue(part.deleted.get());
        }
 
        private static class Servlet3Part implements Part
        {
                private static final byte[] DATA = new byte[] {1, 2, 3};
-               public static final String CONTENT_TYPE = "text/plain";
+               static final String CONTENT_TYPE = "text/plain";
 
                private final AtomicReference<String> written = new 
AtomicReference<>();
                private final AtomicBoolean deleted = new AtomicBoolean(false);
                private final LinkedHashMap<String, List<String>> headers = new 
LinkedHashMap<>();
-               public final String fieldName;
+               final String fieldName;
 
                private Servlet3Part(String fieldName) {
                        this.fieldName = fieldName;

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadTest.java
index 6315d20..2de0ba0 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/FileUploadTest.java
@@ -16,6 +16,12 @@
  */
 package org.apache.wicket.markup.html.form.upload;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Field;
@@ -30,8 +36,7 @@ import org.apache.wicket.util.file.FileCleanerTrackerAdapter;
 import org.apache.wicket.util.file.IFileCleaner;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
-
+import org.junit.jupiter.api.Test;
 
 /**
  * Test of FileUpload
@@ -49,7 +54,7 @@ public class FileUploadTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void getInputStream() throws Exception
+       void getInputStream() throws Exception
        {
                final IFileCleaner fileUploadCleaner = new FileCleaner();
 
@@ -110,7 +115,7 @@ public class FileUploadTest extends WicketTestCase
         * @throws IOException
         */
        @Test
-       public void writeToTempFile() throws IOException
+       void writeToTempFile() throws IOException
        {
                tester.startPage(TestPage.class);
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MockPageWithFormAndUploadField.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MockPageWithFormAndUploadField.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MockPageWithFormAndUploadField.java
index 75806ba..571e447 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MockPageWithFormAndUploadField.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MockPageWithFormAndUploadField.java
@@ -34,7 +34,7 @@ public class MockPageWithFormAndUploadField extends WebPage
        public static final String FORM_ID = "form";
 
        private final Form<?> form;
-       protected final FileUploadField fileUploadField;
+       final FileUploadField fileUploadField;
        private FileUpload fileUpload;
 
        /**
@@ -64,7 +64,7 @@ public class MockPageWithFormAndUploadField extends WebPage
                add(form);
        }
 
-       protected void handleFormSubmit() throws Exception
+       void handleFormSubmit() throws Exception
        {
                fileUpload = fileUploadField.getFileUpload();
        }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest.java
index 139f41b..ac90bbd 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest.java
@@ -16,6 +16,9 @@
  */
 package org.apache.wicket.markup.html.form.upload;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -32,12 +35,12 @@ import org.apache.wicket.util.resource.IResourceStream;
 import org.apache.wicket.util.resource.StringResourceStream;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests for MultiFileUploadField
  */
-public class MultiFileUploadFieldTest extends WicketTestCase
+class MultiFileUploadFieldTest extends WicketTestCase
 {
        /**
         * FormTester supports MultiFileUploadField
@@ -45,7 +48,7 @@ public class MultiFileUploadFieldTest extends WicketTestCase
         * https://issues.apache.org/jira/browse/WICKET-5346
         */
        @Test
-       public void submitMultiFileUploadFields()
+       void submitMultiFileUploadFields()
        {
                final AtomicBoolean submitted = new AtomicBoolean(false);
                final ListModel<FileUpload> filesModel = new ListModel<>(new 
ArrayList<FileUpload>());
@@ -86,14 +89,14 @@ public class MultiFileUploadFieldTest extends WicketTestCase
                ft.setFile("muf", new 
File("target/test-classes/org/apache/wicket/markup/html/form/upload/MultiFileUploadFieldTest1.txt"),
 "plain/text");
                ft.submit();
 
-               assertEquals("The form is not submitted", true, 
submitted.get());
+               assertEquals(true, submitted.get(), "The form is not 
submitted");
        }
 
        /**
         * https://issues.apache.org/jira/browse/WICKET-6198
         */
        @Test
-       public void disabledMultiFileUploadFields()
+       void disabledMultiFileUploadFields()
        {
                final ListModel<FileUpload> filesModel = new ListModel<>(new 
ArrayList<FileUpload>());
 
@@ -106,9 +109,9 @@ public class MultiFileUploadFieldTest extends WicketTestCase
 
        private static class TestPage extends WebPage implements 
IMarkupResourceStreamProvider
        {
-               public TestPage(final ListModel<FileUpload> model)
+               TestPage(final ListModel<FileUpload> model)
                {
-                       Form f = new Form("f")
+                       Form f = new Form<>("f")
                        {
                                @Override
                                protected void onSubmit()
@@ -123,7 +126,7 @@ public class MultiFileUploadFieldTest extends WicketTestCase
                        f.add(new MultiFileUploadField("muf", model));
                }
 
-               protected void onSubmit()
+               void onSubmit()
                {
                }
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/FormValidatorBehaviorTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/FormValidatorBehaviorTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/FormValidatorBehaviorTest.java
index 863eb44..6e02842 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/FormValidatorBehaviorTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/FormValidatorBehaviorTest.java
@@ -16,6 +16,9 @@
  */
 package org.apache.wicket.markup.html.form.validation;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
 import org.apache.wicket.Component;
 import org.apache.wicket.MarkupContainer;
 import org.apache.wicket.behavior.Behavior;
@@ -31,17 +34,17 @@ import org.apache.wicket.util.resource.IResourceStream;
 import org.apache.wicket.util.resource.StringResourceStream;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  */
-public class FormValidatorBehaviorTest extends WicketTestCase
+class FormValidatorBehaviorTest extends WicketTestCase
 {
        /**
         * Tests validators are treated as behaviors
         */
        @Test
-       public void actAsBehavior()
+       void actAsBehavior()
        {
                TestPage page = new TestPage();
 
@@ -64,7 +67,7 @@ public class FormValidatorBehaviorTest extends WicketTestCase
         * Tests validators are treated as validators
         */
        @Test
-       public void actAsValidator()
+       void actAsValidator()
        {
                TestPage page = new TestPage();
 
@@ -138,7 +141,7 @@ public class FormValidatorBehaviorTest extends 
WicketTestCase
                 * 
                 * @param field
                 */
-               public MaxLenValidator(TextField<String> field)
+               MaxLenValidator(TextField<String> field)
                {
                        this.field = field;
                }
@@ -179,7 +182,7 @@ public class FormValidatorBehaviorTest extends 
WicketTestCase
                 * 
                 * @param field
                 */
-               public MinLenValidator(TextField<String> field)
+               MinLenValidator(TextField<String> field)
                {
                        this.field = field;
                }
@@ -207,14 +210,14 @@ public class FormValidatorBehaviorTest extends 
WicketTestCase
        {
                private static final long serialVersionUID = 1L;
                /**      */
-               public TextField<String> name;
+               TextField<String> name;
                /**      */
-               public Form<Void> form;
+               Form<Void> form;
 
                /**
                 * Construct.
                 */
-               public TestPage()
+               TestPage()
                {
                        form = new Form<Void>("form");
                        add(form);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePage.java
index 1128395..86e74e6 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePage.java
@@ -47,7 +47,7 @@ public class HomePage extends WebPage
        public String textfield2;
 
        /** */
-       public int formSubmitted = 0;
+    private int formSubmitted = 0;
 
        /** */
        public static int AJAX = 2;

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePageTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePageTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePageTest.java
index 5f544c0..73057e7 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePageTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/HomePageTest.java
@@ -16,24 +16,28 @@
  */
 package org.apache.wicket.markup.html.form.validation;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 import org.apache.wicket.feedback.FeedbackMessage;
 import org.apache.wicket.markup.html.form.TextField;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 /**
  * Simple test using the WicketTester
  */
-public class HomePageTest extends WicketTestCase
+class HomePageTest extends WicketTestCase
 {
 
        /**
         * 
         */
-       @Before
-       public void before()
+       @BeforeEach
+       void before()
        {
                tester.startPage(HomePage.class);
                tester.assertRenderedPage(HomePage.class);
@@ -43,11 +47,10 @@ public class HomePageTest extends WicketTestCase
         * 
         */
        @Test
-       public void withoutBorder()
+       void withoutBorder()
        {
                tester.executeAjaxEvent("form:submit", "click");
-               assertEquals("Expected one error message",
-                       tester.getMessages(FeedbackMessage.ERROR).size(), 2);
+               assertEquals(2, 
tester.getMessages(FeedbackMessage.ERROR).size(), "Expected one error message");
                assertTrue(((HomePage)tester.getLastRenderedPage()).hitOnError);
                
assertFalse(((HomePage)tester.getLastRenderedPage()).hitOnSubmit);
        }
@@ -56,7 +59,7 @@ public class HomePageTest extends WicketTestCase
         * 
         */
        @Test
-       public void withoutBorder2()
+       void withoutBorder2()
        {
                FormTester formTester = tester.newFormTester("form");
                formTester.setValue("textfield1", "testxxx");
@@ -70,11 +73,10 @@ public class HomePageTest extends WicketTestCase
         * 
         */
        @Test
-       public void withBorder()
+       void withBorder()
        {
                tester.executeAjaxEvent("border:form2:submit", "click");
-               assertEquals("Expected one error message",
-                       tester.getMessages(FeedbackMessage.ERROR).size(), 2);
+               assertEquals(2, 
tester.getMessages(FeedbackMessage.ERROR).size(), "Expected one error message");
                
assertTrue(((MyBorder)tester.getLastRenderedPage().get("border")).hitOnError);
                
assertFalse(((MyBorder)tester.getLastRenderedPage().get("border")).hitOnSubmit);
        }
@@ -83,7 +85,7 @@ public class HomePageTest extends WicketTestCase
         * 
         */
        @Test
-       public void withBorder2()
+       void withBorder2()
        {
                TextField<?> textfield = 
(TextField<?>)tester.getLastRenderedPage().get(
                        "border:form2:border_body:textfield1");
@@ -100,7 +102,7 @@ public class HomePageTest extends WicketTestCase
         * wicket-2202
         */
        @Test
-       public void withPanelAjax()
+       void withPanelAjax()
        {
                tester.executeAjaxEvent("form3:submit", "click");
 
@@ -112,7 +114,7 @@ public class HomePageTest extends WicketTestCase
         * wicket-2202
         */
        @Test
-       public void withPanelForm()
+       void withPanelForm()
        {
                tester.clickLink("form3:submit2");
                HomePage page = (HomePage)tester.getLastRenderedPage();
@@ -123,7 +125,7 @@ public class HomePageTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void test_2589() throws Exception
+       void test_2589() throws Exception
        {
                tester.startPage(HomePage1.class);
                tester.assertRenderedPage(HomePage1.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/MyBorder.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/MyBorder.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/MyBorder.java
index 845f370..a9f63b7 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/MyBorder.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/MyBorder.java
@@ -28,7 +28,7 @@ import org.apache.wicket.markup.html.panel.FeedbackPanel;
 public class MyBorder extends Border
 {
        private static final long serialVersionUID = 1L;
-       Form<Void> form;
+       private Form<Void> form;
 
        boolean hitOnSubmit = false;
        boolean hitOnError = false;

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/BasePage.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/BasePage.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/BasePage.java
index 8829229..2911589 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/BasePage.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/BasePage.java
@@ -30,7 +30,7 @@ public class BasePage extends WebPage
        /**
         * Construct.
         */
-       public BasePage()
+    BasePage()
        {
        }
 

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/InnerFeedbackTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/InnerFeedbackTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/InnerFeedbackTest.java
index e1848e6..e919ca9 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/InnerFeedbackTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/form/validation/innerfeedback/InnerFeedbackTest.java
@@ -22,12 +22,12 @@ import org.apache.wicket.mock.MockApplication;
 import org.apache.wicket.protocol.http.WebApplication;
 import org.apache.wicket.util.tester.FormTester;
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test for Wicket-2974
  */
-public class InnerFeedbackTest extends WicketTestCase
+class InnerFeedbackTest extends WicketTestCase
 {
 
        @Override
@@ -60,7 +60,7 @@ public class InnerFeedbackTest extends WicketTestCase
         * 
         */
        @Test
-       public void innerFeedback()
+    void innerFeedback()
        {
                tester.getSession().setLocale(Locale.ENGLISH);
                tester.startPage(HomePage.class);

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/header/BasePanel.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/header/BasePanel.java 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/header/BasePanel.java
index f552968..ed14ec6 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/header/BasePanel.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/header/BasePanel.java
@@ -31,7 +31,7 @@ public class BasePanel extends Panel
         * 
         * @param id
         */
-       public BasePanel(String id)
+    BasePanel(String id)
        {
                super(id);
        }

http://git-wip-us.apache.org/repos/asf/wicket/blob/645f239c/wicket-core/src/test/java/org/apache/wicket/markup/html/header/HeaderScopingTest.java
----------------------------------------------------------------------
diff --git 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/header/HeaderScopingTest.java
 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/header/HeaderScopingTest.java
index 538359d..f45198c 100644
--- 
a/wicket-core/src/test/java/org/apache/wicket/markup/html/header/HeaderScopingTest.java
+++ 
b/wicket-core/src/test/java/org/apache/wicket/markup/html/header/HeaderScopingTest.java
@@ -17,12 +17,12 @@
 package org.apache.wicket.markup.html.header;
 
 import org.apache.wicket.util.tester.WicketTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * 
  */
-public class HeaderScopingTest extends WicketTestCase
+class HeaderScopingTest extends WicketTestCase
 {
 
        /**
@@ -30,7 +30,7 @@ public class HeaderScopingTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void headerScoping1() throws Exception
+    void headerScoping1() throws Exception
        {
                executeTest(MyPage.class, "MyPageExpectedResult.html");
        }
@@ -40,7 +40,7 @@ public class HeaderScopingTest extends WicketTestCase
         * @throws Exception
         */
        @Test
-       public void headerScoping2() throws Exception
+    void headerScoping2() throws Exception
        {
                executeTest(MyPage2.class, "MyPage2_ExpectedResult.html");
        }

Reply via email to