anchor.diff:      test('multiple arguments', () {
         var instance = factory({}, 'one', 'two');
         expect(getJsChildren(instance), equals(['one', 'two']));
  -    }, tags: 'ddcFailure');
  +    }, tags: 'ddcFailure'); // This test cannot be run using ddc until https://github.com/dart-lang/sdk/issues/29904 is resolved
   
       test('a List', () {
         var instance = factory({}, ['one', 'two',]);
  
positive.code:       );
  
        expect(consoleErrorCalled, isFalse, reason: 'should not have outputted a warning');
      }, tags: 'ddcFailure');
  
      test('when rendering custom Dart components', () {
        _renderWithUniqueOwnerName(() =>
  
negative.code: import 'dart:js';
  
  import 'package:test/test.dart';
  