anchor.diff:        });
       }
       return new Future.value(true);
  +  }
  +
  +  void logBrowserInfoToTestBrowserOutput() {
  +    _testBrowserOutput.stdout.write(
  +        'Android device id: ${_adbDevice.deviceId}\n');
     }
   
     String toString() => "chromeOnAndroid";
  
positive.code:   void resetTestBrowserOutput() {
      _testBrowserOutput = new BrowserOutput();
    }
  
    String toString();
  
  
negative.code:     return new Future.value(true);
    }
  
    void logBrowserInfoToTestBrowserOutput() {
      _testBrowserOutput.stdout.write(
          'Android device id: ${_adbDevice.deviceId}\n');
    }
  
    String toString() => _config.name;
  }
  
  