Polish test

platform-tests/src/test/java/org/junit/platform/launcher/TestIdentifierTests.java

@@ -16,12 +16,10 @@
 import static org.junit.platform.commons.util.SerializationUtils.deserialize;
 import static org.junit.platform.commons.util.SerializationUtils.serialize;
 
-import java.util.Optional;
 import java.util.Set;
 
 import org.junit.jupiter.api.Test;
 import org.junit.platform.engine.TestDescriptor;
-import org.junit.platform.engine.TestSource;
 import org.junit.platform.engine.TestTag;
 import org.junit.platform.engine.UniqueId;
 import org.junit.platform.engine.support.descriptor.AbstractTestDescriptor;
@@ -76,70 +74,17 @@ void initialVersionCanBeDeserialized() throws Exception {
 
 	@Test
 	void identifierWithNoParentCanBeSerializedAndDeserialized() throws Exception {
-		TestIdentifier ti = TestIdentifier.from(new TestDescriptor() {
-			@Override
-			public UniqueId getUniqueId() {
-				return UniqueId.root("example", "id");
-			}
-
-			@Override
-			public String getDisplayName() {
-				return "displayName";
-			}
-
-			@Override
-			public Set<TestTag> getTags() {
-				return Set.of();
-			}
-
-			@Override
-			public Optional<TestSource> getSource() {
-				return Optional.empty();
-			}
-
-			@Override
-			public Optional<TestDescriptor> getParent() {
-				return Optional.empty();
-			}
-
-			@Override
-			public void setParent(TestDescriptor parent) {
-				// ignore
-			}
-
-			@Override
-			public Set<? extends TestDescriptor> getChildren() {
-				return Set.of();
-			}
-
-			@Override
-			public void addChild(TestDescriptor descriptor) {
-				// ignore
-			}
+		TestIdentifier originalIdentifier = TestIdentifier.from(
+			new AbstractTestDescriptor(UniqueId.root("example", "id"), "Example") {
+				@Override
+				public Type getType() {
+					return Type.CONTAINER;
+				}
+			});
 
-			@Override
-			public void removeChild(TestDescriptor descriptor) {
-				// ignore
-			}
-
-			@Override
-			public void removeFromHierarchy() {
-				// ignore
-			}
-
-			@Override
-			public Type getType() {
-				return Type.TEST;
-			}
+		var deserializedIdentifier = (TestIdentifier) deserialize(serialize(originalIdentifier));
 
-			@Override
-			public Optional<? extends TestDescriptor> findByUniqueId(UniqueId uniqueId) {
-				return Optional.empty();
-			}
-		});
-		byte[] bytes = serialize(ti);
-		TestIdentifier dti = (TestIdentifier) deserialize(bytes);
-		assertEquals(ti, dti);
+		assertDeepEquals(originalIdentifier, deserializedIdentifier);
 	}
 
 	private static void assertDeepEquals(TestIdentifier first, TestIdentifier second) {