// Copyright 2016 The Chromium 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:flutter_test/flutter_test.dart';import'package:flutter/widgets.dart';import'test_widgets.dart';voidmain(){testWidgets('simultaneously dispose a widget and end the scroll animation',(WidgetTestertester)async{List<Widget>textWidgets=<Widget>[];for(inti=0;i<250;i++)textWidgets.add(newText('$i'));awaittester.pumpWidget(newFlipWidget(left:newBlock(children:textWidgets),right:newContainer()));awaittester.fling(find.byType(Scrollable),newOffset(0.0,-200.0),1000.0);awaittester.pump();