Headless unit test for Flutter

headless_unittest.dart

test('Server defaults', () async {
  final WebServerDevice device = WebServerDevice();

  expect(device.name, 'Headless Server');
  expect(device.id, 'headless-server');
  expect(device.supportsHotReload, true);
  expect(device.supportsHotRestart, true);
  expect(device.supportsStartPaused, true);
  expect(device.supportsFlutterExit, true);
  expect(device.supportsScreenshot, false);
  expect(await device.isLocalEmulator, false);
  expect(device.getLogReader(app: mockWebApplicationPackage), isInstanceOf<NoOpDeviceLogReader>());
  expect(await device.portForwarder.forward(1), 1);
});