anchor.diff:      });
     }
   
  -  test_annotation_class_prefixed_unnamedConstructor() async {
  -    addNamedSource('/a.dart', r'''
  +  test_class_prefixed_unnamedConstructor() async {
  +    newFile('/test/lib/a.dart', content: r'''
   class A {
     const A();
   }
  
positive.code:     });
    }
  
    test_annotation_class_prefixed_namedConstructor() async {
      addNamedSource('/a.dart', r'''
  class A {
    const A.named();
  }
  
negative.code:     });
    }
  
    test_topLevelVariable() async {
      newFile('/test/lib/a.dart', content: r'''
  const V = 0;
  ''');
      await _validateAnnotation('', '@V', (SimpleIdentifier name1,
  