anchor.diff:      IOSSimulator device = Device._unique(id ?? defaultDeviceID, (String id) => new IOSSimulator._(id));
       device._name = name;
       if (iOSSimulatorPath == null) {
  -      iOSSimulatorPath = path.join('/Applications', 'iOS Simulator.app',
  -          'Contents', 'MacOS', 'iOS Simulator');
  +      iOSSimulatorPath = path.join(
  +        '/Applications', 'iOS Simulator.app', 'Contents', 'MacOS', 'iOS Simulator'
  +      );
       }
       device._iOSSimPath = iOSSimulatorPath;
       return device;
  
positive.code:     }
  
      if (match != null && match.groupCount > 0) {
        return match.group(1);
      } else {
        logging.info('No running simulators found');
        return null;
  
negative.code:       ApplicationPackage app, String localFile, String targetFile) async {
      if (Platform.isMacOS) {
        String simulatorHomeDirectory = _getSimulatorAppHomeDirectory(app);
        runCheckedSync(['cp', localFile, path.join(simulatorHomeDirectory, targetFile)]);
        return true;
      }
      return false;
  