ctubbsii commented on a change in pull request #2427:
URL: https://github.com/apache/accumulo/pull/2427#discussion_r792965730



##########
File path: 
core/src/test/java/org/apache/accumulo/core/client/mapred/AccumuloMultiTableInputFormatTest.java
##########
@@ -29,24 +29,20 @@
 import org.apache.accumulo.core.util.Pair;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.mapred.JobConf;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.TestName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInfo;
 
 @Deprecated(since = "2.0.0")
 public class AccumuloMultiTableInputFormatTest {
 
-  @Rule
-  public TestName testName = new TestName();
-
   /**
    * Verify {@link org.apache.accumulo.core.client.mapreduce.InputTableConfig} 
objects get correctly
    * serialized in the JobContext.
    */
   @Test
-  public void testTableQueryConfigSerialization() {
-    String table1Name = testName.getMethodName() + "1";
-    String table2Name = testName.getMethodName() + "2";
+  public void testTableQueryConfigSerialization(TestInfo testInfo) {
+    String table1Name = testInfo.getDisplayName() + "1";

Review comment:
       That's a bit bulky to replace everywhere. I'd put a static method 
somewhere. Maybe in `AccumuloITBase`:
   
   ```java
     public static String testMethodName(TestInfo testInfo) {
       return 
testInfo.getTestMethod().orElseThrow(IllegalStateException::new).getName();
     }
   ```
   
   That way, you can do:
   
   ```java
   import static org.apache.accumulo.harness.AccumuloITBase.testMethodName;
   // ...
   @Test
   public void someTestName(TestInfo testInfo) {
     String table1Name = testMethodName(testInfo) + "1";
     // ...
   }
   
   ```




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