anchor.diff:    }
   
     test_class_alias_with_const_constructors() async {
  -    addLibrarySource('/a.dart', '''
  +    testFile = convertPath('/home/test/lib/test.dart');
  +    addLibrarySource('/home/test/lib/a.dart', r'''
   class Base {
     const Base._priv();
     const Base();
  
positive.code:     constantInitializers
        SuperConstructorInvocation
          argumentList: ArgumentList
          staticElement: file:///a.dart::@class::Base::@constructor::•
    synthetic const MixinApp.named();
      constantInitializers
        SuperConstructorInvocation
          argumentList: ArgumentList
          constructorName: SimpleIdentifier
            staticElement: file:///a.dart::@class::Base::@constructor::named
            staticType: null
            token: named
          staticElement: file:///a.dart::@class::Base::@constructor::named
  }
  ''',
          withFullyResolvedAst: true);
  
negative.code:     checkElementText(
          library,
          r'''
  import 'package:test/a.dart';
  class M {
  }
  class alias MixinApp extends Base with M {
  