anchor.diff:      List<IOSSimulator> devices = [];
       String id = _getRunningSimulatorID(mockIOS);
       if (id != null) {
  -      // TODO(iansf): get the simulator's name
  -      // String name = _getDeviceName(id, mockIOS);
         devices.add(new IOSSimulator(id: id));
       }
       return devices;
  
positive.code:     return new DeviceStore(android: android, iOS: iOS, iOSSimulator: iOSSimulator);
    }
  }
  
negative.code: 
    @override
    Future<bool> startApp(ApplicationPackage app) async {
      logging.fine('Building ${app.name} for ${id}');
  
      // Step 1: Build the Xcode project
      bool buildResult = await _buildIOSXcodeProject(app, false);
      if (!buildResult) {
        logging.severe('Could not build the application for the simulator');
        return false;
      }
  
      // Step 2: Assert that the Xcode project was successfully built
      Directory bundle = new Directory(path.join(app.localPath, 'build', 'Release-iphonesimulator', 'Runner.app'));
      bool bundleExists = await bundle.exists();
      if (!bundleExists) {
        logging.severe('Could not find the built application bundle at ${bundle.path}');
        return false;
      }
  
      // Step 3: Install the updated bundle to the simulator
      int installResult = await runCommandAndStreamOutput([
        xcrunPath,
        'simctl',
        'install',
        id == defaultDeviceID ? 'booted' : id,
        path.absolute(bundle.path)
      ]);
  
      if (installResult != 0) {
        logging.severe('Could not install the application bundle on the simulator');
        return false;
      }
  
      // Step 4: Launch the updated application in the simulator
      int launchResult = await runCommandAndStreamOutput([
        xcrunPath,
        'simctl',
        'launch',
        id == defaultDeviceID ? 'booted' : id,
        app.id
      ]);
  
      if (launchResult != 0) {
        logging.severe('Could not launch the freshly installed application on the simulator');
        return false;
      }
  
      logging.fine('Successfully started ${app.name} on $id');
      return true;
    }
  
    @override
  