Golden Testing void main() { testWidgets('Snapshot for MyApp', (tester) async { const app = MyApp(); // ΩϟϓνϟαΠζΛઃఆ await tester.binding.setSurfaceSize(const Size(414, 896)); await tester.pumpWidget(app); // Ϛελʔεφοϓγϣοτͱͷࠩൺֱ await expectLater( find.byWidget(app), matchesGoldenFile('MyApp.png'), ); }); } Golden Testing mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ const Text( '