// Copyright 2014 The Flutter Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.import'package:a11y_assessments/use_cases/material_banner.dart';import'package:flutter_test/flutter_test.dart';import'test_utils.dart';voidmain(){testWidgets('material banner can run',(WidgetTestertester)async{awaitpumpsUseCase(tester,MaterialBannerUseCase());expect(find.text('Show a MaterialBanner'),findsOneWidget);awaittester.tap(find.text('Show a MaterialBanner'));awaittester.pumpAndSettle();expect(find.text('Hello, I am a Material Banner'),findsOneWidget);awaittester.tap(find.text('DISMISS'));awaittester.pumpAndSettle();expect(find.text('Hello, I am a Material Banner'),findsNothing);});}