anchor.diff:    }
   
     test_nameConflict_exportedAndLocal() async {
  -    namesThatCannotBeResolved.add('V');
       addLibrarySource('/a.dart', 'class C {}');
       addLibrarySource('/c.dart', '''
   export 'a.dart';
  
positive.code: 
    test_invalidUris() async {
      allowMissingFiles = true;
      shouldCompareLibraryElements = false;
      var library = await checkLibrary(r'''
  import ':[invaliduri]';
  import ':[invaliduri]:foo.dart';
  
negative.code:   }
  
    test_unresolved_annotation_prefixedNamedConstructorCall_noConstructor() async {
      var library = await checkLibrary(
          'import "dart:async" as foo; @foo.Future.bar() class C {}',
          allowErrors: true);
  