Remove our extra timeout logic. (#89952)

dev/automated_tests/test_smoke_test/timeout_fail_test.dart

-// 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:flutter_test/flutter_test.dart';
-
-void main() {
-  testWidgets('flutter_test timeout logic - addTime - negative', (WidgetTester tester) async {
-    await tester.runAsync(() async {
-      await Future<void>.delayed(const Duration(milliseconds: 3500)); // must be more than 1000ms more than the initial timeout
-    }, additionalTime: const Duration(milliseconds: 200));
-  }, initialTimeout: const Duration(milliseconds: 2000));
-}

dev/automated_tests/test_smoke_test/timeout_pass_test.dart

-// 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:flutter_test/flutter_test.dart';
-
-void main() {
-  testWidgets('flutter_test timeout logic - addTime - positive', (WidgetTester tester) async {
-    await tester.runAsync(() async {
-      await Future<void>.delayed(const Duration(milliseconds: 2500)); // must be longer than initial timeout below.
-    }, additionalTime: const Duration(milliseconds: 2000)); // initial timeout is 2s, so this makes it 4s.
-  }, initialTimeout: const Duration(milliseconds: 2000));
-}

dev/bots/analyze.dart

@@ -568,9 +568,9 @@ Future<void> verifyIntegrationTestTimeouts(String workingDirectory) async {
   if (errors.isNotEmpty) {
     exitWithError(<String>[
       if (errors.length == 1)
-        '${bold}An error was detected when looking at import dependencies within the flutter_tools package:$reset'
+        '${bold}An error was detected when looking at integration test timeouts:$reset'
       else
-        '${bold}Multiple errors were detected when looking at import dependencies within the flutter_tools package:$reset',
+        '${bold}Multiple errors were detected when looking at integration test timeouts:$reset',
       ...errors.map((String paragraph) => '$paragraph\n'),
     ]);
   }

dev/bots/test.dart

@@ -190,9 +190,11 @@ Future<void> _runSmokeTests() async {
   // Verify that the tests actually return failure on failure and success on
   // success.
   final String automatedTests = path.join(flutterRoot, 'dev', 'automated_tests');
-  // We run the "pass" and "fail" smoke tests first, and alone, because those
-  // are particularly critical and sensitive. If one of these fails, there's no
-  // point even trying the others.
+
+  // We want to run the smoketests in parallel, because they each take some time
+  // to run (e.g. compiling), so we don't want to run them in series, especially
+  // on 20-core machines. However, we have a race condition, so for now...
+  // Race condition issue: https://github.com/flutter/flutter/issues/90026
   final List<ShardRunner> tests = <ShardRunner>[
     () => _runFlutterTest(
       automatedTests,
@@ -205,68 +207,48 @@ Future<void> _runSmokeTests() async {
       expectFailure: true,
       printOutput: false,
     ),
-    // We run the timeout tests individually because they are timing-sensitive.
-    () => _runFlutterTest(
-          automatedTests,
-          script: path.join('test_smoke_test', 'timeout_pass_test.dart'),
-          expectFailure: false,
-          printOutput: false,
-        ),
     () => _runFlutterTest(
       automatedTests,
-          script: path.join('test_smoke_test', 'timeout_fail_test.dart'),
+      script: path.join('test_smoke_test', 'pending_timer_fail_test.dart'),
       expectFailure: true,
       printOutput: false,
-        ),
-    () => _runFlutterTest(automatedTests,
-            script:
-                path.join('test_smoke_test', 'pending_timer_fail_test.dart'),
-            expectFailure: true,
-            printOutput: false, outputChecker: (CommandResult result) {
+      outputChecker: (CommandResult result) {
         return result.flattenedStdout!.contains('failingPendingTimerTest')
           ? null
-              : 'Failed to find the stack trace for the pending Timer.';
+          : 'Failed to find the stack trace for the pending Timer.\n\n'
+            'stdout:\n${result.flattenedStdout}\n\n'
+            'stderr:\n${result.flattenedStderr}';
     }),
-    // We run the remaining smoketests in parallel, because they each take some
-    // time to run (e.g. compiling), so we don't want to run them in series,
-    // especially on 20-core machines...
-    () => Future.wait<void>(
-          <Future<void>>[
-            _runFlutterTest(
+    () => _runFlutterTest(
       automatedTests,
       script: path.join('test_smoke_test', 'crash1_test.dart'),
       expectFailure: true,
       printOutput: false,
     ),
-            _runFlutterTest(
+    () => _runFlutterTest(
       automatedTests,
       script: path.join('test_smoke_test', 'crash2_test.dart'),
       expectFailure: true,
       printOutput: false,
     ),
-            _runFlutterTest(
+    () => _runFlutterTest(
       automatedTests,
-              script:
-                  path.join('test_smoke_test', 'syntax_error_test.broken_dart'),
+      script: path.join('test_smoke_test', 'syntax_error_test.broken_dart'),
       expectFailure: true,
       printOutput: false,
     ),
-            _runFlutterTest(
+    () => _runFlutterTest(
       automatedTests,
-              script: path.join(
-                  'test_smoke_test', 'missing_import_test.broken_dart'),
+      script: path.join('test_smoke_test', 'missing_import_test.broken_dart'),
       expectFailure: true,
       printOutput: false,
     ),
-            _runFlutterTest(
+    () => _runFlutterTest(
       automatedTests,
-              script: path.join('test_smoke_test',
-                  'disallow_error_reporter_modification_test.dart'),
+      script: path.join('test_smoke_test', 'disallow_error_reporter_modification_test.dart'),
       expectFailure: true,
       printOutput: false,
     ),
-          ],
-        ),
   ];
 
   List<ShardRunner> testsToRun;
@@ -785,8 +767,9 @@ Future<void> _runFrameworkTests() async {
       outputChecker: (CommandResult result) {
         final Iterable<Match> matches = httpClientWarning.allMatches(result.flattenedStdout!);
         if (matches == null || matches.isEmpty || matches.length > 1) {
-          return 'Failed to print warning about HttpClientUsage, or printed it too many times.\n'
-                 'stdout:\n${result.flattenedStdout}';
+          return 'Failed to print warning about HttpClientUsage, or printed it too many times.\n\n'
+                 'stdout:\n${result.flattenedStdout}\n\n'
+                 'stderr:\n${result.flattenedStderr}';
         }
         return null;
       },
@@ -1773,9 +1756,9 @@ List<T> _selectIndexOfTotalSubshard<T>(List<T> tests, {String subshardKey = kSub
     exit(1);
   }
 
-  final int testsPerShard = tests.length ~/ total;
+  final int testsPerShard = (tests.length / total).ceil();
   final int start = (index - 1) * testsPerShard;
-  final int end = index * testsPerShard;
+  final int end = math.min(index * testsPerShard, tests.length);
 
   print('Selecting subshard $index of $total (range ${start + 1}-$end of ${tests.length})');
   return tests.sublist(start, end);

dev/bots/test/test_test.dart

@@ -109,19 +109,19 @@ void main() {
     }
 
     test('subshards tests correctly', () async {
+      // When updating this test, try to pick shard numbers that ensure we're checking
+      // that unequal test distributions don't miss tests.
       ProcessResult result = await runScript(
         <String, String>{'SHARD': 'smoke_tests', 'SUBSHARD': '1_3'},
       );
       expectExitCode(result, 0);
-      // There are currently 6 smoke tests. This shard should contain test 1 and 2.
-      expect(result.stdout, contains('Selecting subshard 1 of 3 (range 1-2 of 6)'));
+      expect(result.stdout, contains('Selecting subshard 1 of 3 (range 1-3 of 8)'));
 
       result = await runScript(
-        <String, String>{'SHARD': 'smoke_tests', 'SUBSHARD': '5_6'},
+        <String, String>{'SHARD': 'smoke_tests', 'SUBSHARD': '3_3'},
       );
       expectExitCode(result, 0);
-      // This shard should contain only test 5.
-      expect(result.stdout, contains('Selecting subshard 5 of 6 (range 5-5 of 6)'));
+      expect(result.stdout, contains('Selecting subshard 3 of 3 (range 7-8 of 8)'));
     });
 
     test('exits with code 1 when SUBSHARD index greater than total', () async {

dev/integration_tests/flutter_gallery/windows/flutter/generated_plugin_registrant.cc

@@ -6,9 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
-#include <url_launcher_windows/url_launcher_plugin.h>
+#include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
-  UrlLauncherPluginRegisterWithRegistrar(
-      registry->GetRegistrarForPlugin("UrlLauncherPlugin"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

packages/flutter/test/widgets/backdrop_filter_test.dart

@@ -13,7 +13,6 @@ import 'package:flutter_test/flutter_test.dart';
 
 void main() {
   testWidgets("BackdropFilter's cull rect does not shrink", (WidgetTester tester) async {
-    tester.binding.addTime(const Duration(seconds: 15));
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(
@@ -51,7 +50,6 @@ void main() {
   });
 
   testWidgets('BackdropFilter blendMode on saveLayer', (WidgetTester tester) async {
-    tester.binding.addTime(const Duration(seconds: 15));
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(

packages/flutter/test/widgets/widget_inspector_test.dart

@@ -2522,7 +2522,7 @@ class _TestWidgetInspectorService extends TestWidgetInspectorService {
         final ui.Codec codec = await ui.instantiateImageCodec(base64.decode(base64Screenshot));
         final ui.FrameInfo frame = await codec.getNextFrame();
         return frame.image;
-      }, additionalTime: const Duration(seconds: 11)))!;
+      }))!;
 
       await expectLater(
         screenshotImage,

packages/flutter_test/lib/src/widget_tester.dart

@@ -82,23 +82,13 @@ E? _lastWhereOrNull<E>(Iterable<E> list, bool Function(E) test) {
 /// The callback can be asynchronous (using `async`/`await` or
 /// using explicit [Future]s).
 ///
-/// There are two kinds of timeouts that can be specified. The `timeout`
-/// argument specifies the backstop timeout implemented by the `test` package.
-/// If set, it should be relatively large (minutes). It defaults to ten minutes
-/// for tests run by `flutter test`, and is unlimited for tests run by `flutter
-/// run`; specifically, it defaults to
-/// [TestWidgetsFlutterBinding.defaultTestTimeout].
-///
-/// The `initialTimeout` argument specifies the timeout implemented by the
-/// `flutter_test` package itself. If set, it may be relatively small (seconds),
-/// as it is automatically increased for some expensive operations, and can also
-/// be manually increased by calling
-/// [AutomatedTestWidgetsFlutterBinding.addTime]. The effective maximum value of
-/// this timeout (even after calling `addTime`) is the one specified by the
-/// `timeout` argument.
-///
-/// In general, timeouts are race conditions and cause flakes, so best practice
-/// is to avoid the use of timeouts in tests.
+/// The `timeout` argument specifies the backstop timeout implemented by the
+/// `test` package. If set, it should be relatively large (minutes). It defaults
+/// to ten minutes for tests run by `flutter test`, and is unlimited for tests
+/// run by `flutter run`; specifically, it defaults to
+/// [TestWidgetsFlutterBinding.defaultTestTimeout]. (The `initialTimeout`
+/// parameter has no effect. It was previously used with
+/// [TestWidgetsFlutterBinding.addTime] but that feature was removed.)
 ///
 /// If the `semanticsEnabled` parameter is set to `true`,
 /// [WidgetTester.ensureSemantics] will have been called before the tester is
@@ -138,6 +128,10 @@ void testWidgets(
   WidgetTesterCallback callback, {
   bool? skip,
   test_package.Timeout? timeout,
+  @Deprecated(
+    'This parameter has no effect. Use `timeout` instead. '
+    'This feature was deprecated after v2.6.0-1.0.pre.'
+  )
   Duration? initialTimeout,
   bool semanticsEnabled = true,
   TestVariant<Object?> variant = const DefaultTestVariant(),

packages/integration_test/lib/integration_test.dart

@@ -214,13 +214,16 @@ https://flutter.dev/docs/testing/integration-tests#testing-on-firebase-test-lab
     Future<void> Function() testBody,
     VoidCallback invariantTester, {
     String description = '',
+    @Deprecated(
+      'This parameter has no effect. Use the `timeout` parameter on `testWidgets` instead. '
+      'This feature was deprecated after v2.6.0-1.0.pre.'
+    )
     Duration? timeout,
   }) async {
     await super.runTest(
       testBody,
       invariantTester,
       description: description,
-      timeout: timeout,
     );
     results[description] ??= _success;
   }
@@ -411,13 +414,7 @@ https://flutter.dev/docs/testing/integration-tests#testing-on-firebase-test-lab
   }
 
   @override
-  Timeout get defaultTestTimeout => _defaultTestTimeout ?? super.defaultTestTimeout;
-
-  /// Configures the default timeout for [testWidgets].
-  ///
-  /// See [TestWidgetsFlutterBinding.defaultTestTimeout] for more details.
-  set defaultTestTimeout(Timeout timeout) => _defaultTestTimeout = timeout;
-  Timeout? _defaultTestTimeout;
+  Timeout defaultTestTimeout = Timeout.none;
 
   @override
   void attachRootWidget(Widget rootWidget) {