Fixed links and excerpts

examples/testing/integration_tests/how_to/integration_test/counter_test.dart

@@ -9,26 +9,27 @@ void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized(); // NEW
 
  // #docregion initial
- testWidgets('tap on the floating action button, verify counter',
- (tester) async {
- // Load app widget.
- await tester.pumpWidget(const MyApp());
+ group('end-to-end test', () {
+ testWidgets('tap on the floating action button, verify counter',
+ (tester) async {
+ // Load app widget.
+ await tester.pumpWidget(const MyApp());
 
- // Verify the counter starts at 0.
- expect(find.text('0'), findsOneWidget);
+  // Verify the counter starts at 0.
+  expect(find.text('0'), findsOneWidget);
 
- // Finds the floating action button to tap on.
- final fab = find.byKey(const Key('increment'));
+  // Finds the floating action button to tap on.
+  final fab = find.byKey(const ValueKey('increment'));
 
- // Emulate a tap on the floating action button.
- await tester.tap(fab);
+  // Emulate a tap on the floating action button.
+  await tester.tap(fab);
 
- // Trigger a frame.
- await tester.pumpAndSettle();
+  // Trigger a frame.
+  await tester.pumpAndSettle();
 
- // Verify the counter increments by 1.
- expect(find.text('0'), findsNothing);
- expect(find.text('1'), findsOneWidget);
+  // Verify the counter increments by 1.
+  expect(find.text('1'), findsOneWidget);
+ });
  });
 }
 // #enddocregion initial

src/content/testing/integration-tests/index.md

@@ -72,22 +72,16 @@ the `lib/main.dart` file should resemble the following code.
 ```dart title="lib/main.dart"
 import 'package:flutter/material.dart';
 
-void main() {
- runApp(const MyApp());
-}
+void main() => runApp(const MyApp());
 
 class MyApp extends StatelessWidget {
  const MyApp({super.key});
 
  @override
  Widget build(BuildContext context) {
- return MaterialApp(
- title: 'Flutter Demo',
- theme: ThemeData(
- colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
- useMaterial3: true,
- ),
- home: const MyHomePage(title: 'Flutter Demo Home Page'),
+ return const MaterialApp(
+ title: 'Counter App',
+ home: MyHomePage(title: 'Counter App Home Page'),
  );
  }
 }
@@ -114,7 +108,6 @@ class _MyHomePageState extends State<MyHomePage> {
  Widget build(BuildContext context) {
  return Scaffold(
  appBar: AppBar(
- backgroundColor: Theme.of(context).colorScheme.inversePrimary,
  title: Text(widget.title),
  ),
  body: Center(
@@ -132,9 +125,9 @@ class _MyHomePageState extends State<MyHomePage> {
  ),
  ),
  floatingActionButton: FloatingActionButton(
- // Provide a ValueKey to this button. This allows finding this
+ // Provide a Key to this button. This allows finding this
  // specific button inside the test suite, and tapping it.
- key: const ValueKey('increment'),
+ key: const Key('increment'),
  onPressed: _incrementCounter,
  tooltip: 'Increment',
  child: const Icon(Icons.add),
@@ -219,16 +212,15 @@ and your app's Dart file.
  of your `counter_app`.
  (This `import` points to the example app called `introduction`.)
 
- <?code-excerpt "integration_test/app_test.dart (integration-test)" replace="/introduction/counter_app/g"?>
- ```dart title="integration_test/app_test.dart"
+ <?code-excerpt "integration_test/counter_test.dart (initial)" replace="/introduction/counter_app/g"?>
+ ```dart title="integration_test/counter_test.dart"
  import 'package:flutter/material.dart';
  import 'package:flutter_test/flutter_test.dart';
+ import 'package:how_to/main.dart';
  import 'package:integration_test/integration_test.dart';
- import 'package:counter_app/main.dart';
 
  void main() {
- IntegrationTestWidgetsFlutterBinding.ensureInitialized();
-
+ // ···
  group('end-to-end test', () {
  testWidgets('tap on the floating action button, verify counter',
  (tester) async {