anchor.diff:        testClasses.add(testClass);
       }
     }
  -      
  +
     void createTest(successIgnored) {
       String d8 = '$dartDir/$buildDir/d8${TestUtils.executableSuffix}';
       List<String> args = <String>[
  
positive.code:           expectations,
            optionsFromFile['isNegative']);
        doTest(testCase);
      }        
    }
  
    /***
  
negative.code:     if (new Platform().operatingSystem() == 'macos') {
        return 'client/tests/drt/DumpRenderTree.app/Contents/' +
            'MacOS/DumpRenderTree';
      }
      return 'client/tests/drt/DumpRenderTree';
    }
  
  