anchor.diff:  const String _xcrunPath = '/usr/bin/xcrun';
   
   /// Test device created by Flutter when no other device is available.
  -const String _kFlutterTestDevice = 'flutter.test.device';
  +const String _kFlutterTestDeviceSuffix = '(Flutter)';
   
   class IOSSimulators extends PollingDeviceDiscovery {
     IOSSimulators() : super('IOSSimulators');
  
positive.code:   static const SimControlListSection pairs = const SimControlListSection._('pairs');
  }
  
  class SimDevice {
    SimDevice(this.category, this.data);
  
  
negative.code:       );
      }
  
      return new SimDeviceType(
        usableTypes.first['name'],
        usableTypes.first['identifier']
      );
    }
  
    String _findSuitableRuntime() {
  