matriv commented on a change in pull request #18524:
URL: https://github.com/apache/flink/pull/18524#discussion_r811766015



##########
File path: 
flink-table/flink-table-common/src/test/java/org/apache/flink/table/types/LogicalTypeCastsTest.java
##########
@@ -254,39 +243,34 @@
                                                 new 
StructuredAttribute("diff", new TinyIntType())))
                                 .build(),
                         false,
-                        true
-                    },
+                        true),
 
-                    // raw to binary
-                    {
-                        new RawType(Integer.class, IntSerializer.INSTANCE),
+                // raw to binary
+                Arguments.of(
+                        new RawType<>(Integer.class, IntSerializer.INSTANCE),
                         new BinaryType(),
                         false,
-                        true
-                    },
-                });
+                        true),
+                // raw to binary
+                Arguments.of(
+                        new RawType<>(Integer.class, IntSerializer.INSTANCE),
+                        VarCharType.STRING_TYPE,
+                        false,
+                        true));
     }
 
-    @Parameter public LogicalType sourceType;
-
-    @Parameter(1)
-    public LogicalType targetType;
-
-    @Parameter(2)
-    public boolean supportsImplicit;
-
-    @Parameter(3)
-    public boolean supportsExplicit;
-
-    @Test
-    public void testImplicitCasting() {
+    @ParameterizedTest(name = "{index}: [From: {0}, To: {1}, Implicit: {2}, 
Explicit: {3}]")

Review comment:
       This is 100% personal preference: How about moving the actual test 
method on top of the class before the constructions of the parameterised 
stream? It just feels more natural to see first the actual test, but again 
that's my preference, no need to change.




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