Delay resynthesizing metadata to Impl classes.

pkg/analyzer/test/src/summary/resynthesize_test.dart

Index: pkg/analyzer/test/src/summary/resynthesize_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_test.dart b/pkg/analyzer/test/src/summary/resynthesize_test.dart
index a64e8e4768b847c898482baac9b9f64f1e1a14a5..e4f296e1d7d882c1cfe7ea0d397abe06c4c66cc4 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_test.dart
@@ -674,11 +674,7 @@ abstract class AbstractResynthesizeTest extends AbstractSingleUnitTest {
     expect(resynthesized.documentationComment, original.documentationComment,
         reason: desc);
     expect(resynthesized.docRange, original.docRange, reason: desc);
-    // TODO(scheglov) restore testing annotations for type parameters
-    // after finishing moving resynthesizing to Impl.
-    if (original is! TypeParameterElement) {
-      compareMetadata(resynthesized.metadata, original.metadata, desc);
-    }
+    compareMetadata(resynthesized.metadata, original.metadata, desc);
 
     // Validate modifiers.
     for (Modifier modifier in Modifier.persistedValues) {