anchor.diff:  
   main() {
     defineReflectiveSuite(() {
  -    defineReflectiveTests(ElementResolverCodeTest);
  +    defineReflectiveTests(AnnotationElementResolverTest);
       defineReflectiveTests(ElementResolverTest);
       defineReflectiveTests(PreviewDart2Test);
     });
  
positive.code:     });
    }
  
    test_annotation_topLevelVariable() async {
      addNamedSource('/a.dart', r'''
  const V = 0;
  ''');
      await _validateAnnotation('', '@V', (SimpleIdentifier name1,
  
negative.code:     });
    }
  
    test_topLevelVariable_prefixed() async {
      newFile('/test/lib/a.dart', content: r'''
  const V = 0;
  ''');
      await _validateAnnotation('as p', '@p.V', (SimpleIdentifier name1,
  