Convert field to local variable

Author: marcphilipp

platform-tests/src/test/java/org/junit/platform/engine/UniqueIdTests.java

@@ -128,10 +128,9 @@ void appendingNullIsNotAllowed() {
 	@Nested
 	class ParsingAndFormatting {
 
-		private final String uniqueIdString = "[engine:junit-jupiter]/[class:MyClass]/[method:myMethod]";
-
 		@Test
 		void ensureDefaultUniqueIdFormatIsUsedForParsing() {
+			var uniqueIdString = "[engine:junit-jupiter]/[class:MyClass]/[method:myMethod]";
 			var parsedDirectly = UniqueId.parse(uniqueIdString);
 			var parsedViaFormat = UniqueIdFormat.getDefault().parse(uniqueIdString);
 			assertEquals(parsedViaFormat, parsedDirectly);