snuyanzin commented on code in PR #19667:
URL: https://github.com/apache/flink/pull/19667#discussion_r868914244


##########
flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/typeutils/RowDataSerializerTest.java:
##########
@@ -346,17 +169,22 @@ public void testCopy() {
     }
 
     @Test
-    public void testWrongCopy() {
-        thrown.expect(IllegalArgumentException.class);
-        serializer.copy(new GenericRowData(serializer.getArity() + 1));
+    void testWrongCopy() {
+        assertThatThrownBy(() -> serializer.copy(new 
GenericRowData(serializer.getArity() + 1)))
+                .isInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
     public void testWrongCopyReuse() {

Review Comment:
   ```suggestion
       void testWrongCopyReuse() {
   ```



##########
flink-table/flink-table-runtime/src/test/java/org/apache/flink/table/runtime/typeutils/RowDataSerializerTest.java:
##########
@@ -346,17 +169,22 @@ public void testCopy() {
     }
 
     @Test
-    public void testWrongCopy() {
-        thrown.expect(IllegalArgumentException.class);
-        serializer.copy(new GenericRowData(serializer.getArity() + 1));
+    void testWrongCopy() {
+        assertThatThrownBy(() -> serializer.copy(new 
GenericRowData(serializer.getArity() + 1)))
+                .isInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
     public void testWrongCopyReuse() {

Review Comment:
   ```suggestion
       void testWrongCopyReuse() {
   ```
   ?



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