Null safety migration of packages/flutter_tools/test/general.shard, part 1/2 (#110711)

* Migrate packages/flutter_tools/test/general.shard, part 1/2 * Fix most of the tests * Fix analysis * Fix analysis * Fix test * Fix analysis * Fix analysis * Fix nit

Null safety migration of packages/flutter_tools/test/general.shard, part 1/2 (#110711)
* Migrate packages/flutter_tools/test/general.shard, part 1/2 * Fix most of the tests * Fix analysis * Fix analysis * Fix test * Fix analysis * Fix analysis * Fix nit
ec75399b · Liam Appelbe · GitHub · 6f9bcec4 · ec75399b · ec75399b
Unverified Commit ec75399b authored Sep 08, 2022 by Liam Appelbe Committed by GitHub Sep 08, 2022
14 changed files
--- a/packages/flutter_tools/lib/src/commands/clean.dart
+++ b/packages/flutter_tools/lib/src/commands/clean.dart
@@ -80,7 +80,7 @@ class CleanCommand extends FlutterCommand {
    try {
      final XcodeProjectInterpreter xcodeProjectInterpreter = globals.xcodeProjectInterpreter!;
      final Directory xcodeWorkspace = xcodeProject.xcodeWorkspace;
-      final XcodeProjectInfo projectInfo = await xcodeProjectInterpreter.getInfo(xcodeWorkspace.parent.path);
+      final XcodeProjectInfo projectInfo = (await xcodeProjectInterpreter.getInfo(xcodeWorkspace.parent.path))!;
      for (final String scheme in projectInfo.schemes) {
        await xcodeProjectInterpreter.cleanWorkspace(xcodeWorkspace.path, scheme, verbose: _verbose);
      }

--- a/packages/flutter_tools/lib/src/drive/web_driver_service.dart
+++ b/packages/flutter_tools/lib/src/drive/web_driver_service.dart
@@ -96,15 +96,15 @@ class WebDriverService extends DriverService {
    );
    bool isAppStarted = false;
-    await Future.any<Object>(<Future<Object>>[
+    await Future.any(<Future<Object?>>[
      runFuture.then((int? result) {
        _runResult = result;
        return null;
-      } as FutureOr<Object> Function(int?)),
+      }),
      appStartedCompleter.future.then((_) {
        isAppStarted = true;
        return null;
-      } as FutureOr<Object> Function(void)),
+      }),
    ]);
    if (_runResult != null) {

--- a/packages/flutter_tools/lib/src/ios/xcodeproj.dart
+++ b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
@@ -306,7 +306,7 @@ class XcodeProjectInterpreter {
    ], workingDirectory: _fileSystem.currentDirectory.path);
  }
-  Future<XcodeProjectInfo> getInfo(String projectPath, {String? projectFilename}) async {
+  Future<XcodeProjectInfo?> getInfo(String projectPath, {String? projectFilename}) async {
    // The exit code returned by 'xcodebuild -list' when either:
    // * -project is passed and the given project isn't there, or
    // * no -project is passed and there isn't a project.

--- a/packages/flutter_tools/lib/src/macos/build_macos.dart
+++ b/packages/flutter_tools/lib/src/macos/build_macos.dart
@@ -84,15 +84,15 @@ Future<void> buildMacOS({
  // other Xcode projects in the macos/ directory. Otherwise pass no name, which will work
  // regardless of the project name so long as there is exactly one project.
  final String? xcodeProjectName = xcodeProject.existsSync() ? xcodeProject.basename : null;
-  final XcodeProjectInfo projectInfo = await globals.xcodeProjectInterpreter!.getInfo(
+  final XcodeProjectInfo? projectInfo = await globals.xcodeProjectInterpreter?.getInfo(
    xcodeProject.parent.path,
    projectFilename: xcodeProjectName,
  );
-  final String? scheme = projectInfo.schemeFor(buildInfo);
+  final String? scheme = projectInfo?.schemeFor(buildInfo);
  if (scheme == null) {
-    projectInfo.reportFlavorNotFoundAndExit();
+    projectInfo!.reportFlavorNotFoundAndExit();
  }
-  final String? configuration = projectInfo.buildConfigurationFor(buildInfo, scheme);
+  final String? configuration = projectInfo?.buildConfigurationFor(buildInfo, scheme);
  if (configuration == null) {
    throwToolExit('Unable to find expected configuration in Xcode project.');
  }

--- a/packages/flutter_tools/test/general.shard/base/logger_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/logger_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'package:fake_async/fake_async.dart';
@@ -13,7 +11,6 @@ import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/base/platform.dart';
 import 'package:flutter_tools/src/base/terminal.dart';
 import 'package:flutter_tools/src/commands/daemon.dart';
-import 'package:meta/meta.dart';
 import 'package:test/fake.dart';
 import '../../src/common.dart';
@@ -232,7 +229,7 @@ void main() {
  });
  group('AppContext', () {
-    FakeStopwatch fakeStopWatch;
+    late FakeStopwatch fakeStopWatch;
    setUp(() {
      fakeStopWatch = FakeStopwatch();
@@ -365,10 +362,10 @@ void main() {
  });
  group('Spinners', () {
-    FakeStdio mockStdio;
+    late FakeStdio mockStdio;
-    FakeStopwatch mockStopwatch;
+    late FakeStopwatch mockStopwatch;
-    FakeStopwatchFactory stopwatchFactory;
+    late FakeStopwatchFactory stopwatchFactory;
-    int called;
+    late int called;
    final List<Platform> testPlatforms = <Platform>[
      FakePlatform(
        environment: <String, String>{},
@@ -404,8 +401,8 @@ void main() {
      stopwatchFactory = FakeStopwatchFactory(stopwatch: mockStopwatch);
    });
-    List<String> outputStdout() => mockStdio.writtenToStdout.join('').split('\n');
+    List<String> outputStdout() => mockStdio.writtenToStdout.join().split('\n');
-    List<String> outputStderr() => mockStdio.writtenToStderr.join('').split('\n');
+    List<String> outputStderr() => mockStdio.writtenToStderr.join().split('\n');
    void doWhileAsync(FakeAsync time, bool Function() doThis) {
      do {
@@ -416,11 +413,11 @@ void main() {
    for (final Platform testPlatform in testPlatforms) {
      group('(${testPlatform.operatingSystem})', () {
-        Platform platform;
+        late Platform platform;
-        Platform ansiPlatform;
+        late Platform ansiPlatform;
-        AnsiTerminal terminal;
+        late AnsiTerminal terminal;
-        AnsiTerminal coloredTerminal;
+        late AnsiTerminal coloredTerminal;
-        SpinnerStatus spinnerStatus;
+        late SpinnerStatus spinnerStatus;
        setUp(() {
          platform = FakePlatform();
@@ -517,7 +514,6 @@ void main() {
          );
          final Status status = logger.startProgress(
            'Hello',
-            progressId: null,
            progressIndicatorPadding: 20, // this minus the "Hello" equals the 15 below.
          );
          expect(outputStderr().length, equals(1));
@@ -679,7 +675,7 @@ void main() {
            expect(times, hasLength(1));
            final Match match = times.single;
-            expect(lines[0], endsWith(match.group(0)));
+            expect(lines[0], endsWith(match.group(0)!));
            expect(called, equals(1));
            expect(lines.length, equals(2));
            expect(lines[1], equals(''));
@@ -696,9 +692,9 @@ void main() {
  });
  group('Output format', () {
-    FakeStdio fakeStdio;
+    late FakeStdio fakeStdio;
-    SummaryStatus summaryStatus;
+    late SummaryStatus summaryStatus;
-    int called;
+    late int called;
    setUp(() {
      fakeStdio = FakeStdio();
@@ -712,8 +708,8 @@ void main() {
      );
    });
-    List<String> outputStdout() => fakeStdio.writtenToStdout.join('').split('\n');
+    List<String> outputStdout() => fakeStdio.writtenToStdout.join().split('\n');
-    List<String> outputStderr() => fakeStdio.writtenToStderr.join('').split('\n');
+    List<String> outputStderr() => fakeStdio.writtenToStderr.join().split('\n');
    testWithoutContext('Error logs are wrapped', () async {
      final Logger logger = StdoutLogger(
@@ -739,7 +735,7 @@ void main() {
      final BufferLogger buffer = BufferLogger.test();
      final AppRunLogger logger = AppRunLogger(parent: buffer);
-      logger.startProgress('Test status...', timeout: null).stop();
+      logger.startProgress('Test status...').stop();
      expect(buffer.statusText.trim(), equals('Test status...'));
    });
@@ -936,51 +932,6 @@ void main() {
      expect(lines[0], equals('All good.'));
    });
-    testWithoutContext('Stdout printStatus handle null inputs on colored terminal', () async {
-      final Logger logger = StdoutLogger(
-        terminal: AnsiTerminal(
-          stdio: fakeStdio,
-          platform: FakePlatform(),
-        ),
-        stdio: fakeStdio,
-        outputPreferences: OutputPreferences.test(showColor: true),
-      );
-      logger.printStatus(
-        null,
-        emphasis: null,
-        color: null,
-        newline: null,
-        indent: null,
-      );
-      final List<String> lines = outputStdout();
-      expect(outputStderr().length, equals(1));
-      expect(outputStderr().first, isEmpty);
-      expect(lines[0], equals(''));
-    });
-    testWithoutContext('Stdout printStatus handle null inputs on non-color terminal', () async {
-      final Logger logger = StdoutLogger(
-        terminal: AnsiTerminal(
-          stdio: fakeStdio,
-          platform: _kNoAnsiPlatform,
-        ),
-        stdio: fakeStdio,
-        outputPreferences: OutputPreferences.test(),
-      );
-      logger.printStatus(
-        null,
-        emphasis: null,
-        color: null,
-        newline: null,
-        indent: null,
-      );
-      final List<String> lines = outputStdout();
-      expect(outputStderr().length, equals(1));
-      expect(outputStderr().first, isEmpty);
-      expect(lines[0], equals(''));
-    });
    testWithoutContext('Stdout printBox puts content inside a box', () {
      final Logger logger = StdoutLogger(
        terminal: AnsiTerminal(
@@ -991,7 +942,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true),
      );
      logger.printBox('Hello world', title: 'Test title');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      expect(stdout,
        contains(
          '\n'
@@ -1012,7 +963,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true),
      );
      logger.printBox('Hello world');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      expect(stdout,
        contains(
          '\n'
@@ -1033,7 +984,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true),
      );
      logger.printBox('Hello world\nThis is a new line', title: 'Test title');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      expect(stdout,
        contains(
          '\n'
@@ -1057,7 +1008,7 @@ void main() {
      const String bold = '\u001B[1m';
      const String clear = '\u001B[2J\u001B[H';
      logger.printBox('${bold}Hello world$clear', title: 'Test title');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      expect(stdout,
        contains(
          '\n'
@@ -1079,7 +1030,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true, wrapColumn: columnLimit),
      );
      logger.printBox('This line is longer than $columnLimit characters', title: 'Test');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      final List<String> stdoutLines = stdout.split('\n');
      expect(stdoutLines.length, greaterThan(1));
@@ -1108,7 +1059,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true, wrapColumn: columnLimit),
      );
      logger.printBox('This\nline is longer than\n\n$columnLimit characters', title: 'Test');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      final List<String> stdoutLines = stdout.split('\n');
      expect(stdoutLines.length, greaterThan(1));
@@ -1140,7 +1091,7 @@ void main() {
        outputPreferences: OutputPreferences.test(showColor: true, wrapColumn: columnLimit),
      );
      logger.printBox('Thiswordislongerthan${columnLimit}characters', title: 'Test');
-      final String stdout = fakeStdio.writtenToStdout.join('');
+      final String stdout = fakeStdio.writtenToStdout.join();
      final List<String> stdoutLines = stdout.split('\n');
      expect(stdoutLines.length, greaterThan(1));
@@ -1172,7 +1123,6 @@ void main() {
      );
      final Status status = logger.startProgress(
        'Hello',
-        progressId: null,
        progressIndicatorPadding: 20, // this minus the "Hello" equals the 15 below.
      );
      expect(outputStderr().length, equals(1));
@@ -1328,14 +1278,14 @@ Matcher _throwsInvocationFor(dynamic Function() fakeCall) =>
  throwsA(_matchesInvocation(_invocationFor(fakeCall)));
 class FakeStdout extends Fake implements Stdout {
-  FakeStdout({@required this.syncError, this.completeWithError = false});
+  FakeStdout({required this.syncError, this.completeWithError = false});
  final bool syncError;
  final bool completeWithError;
  final Completer<void> _completer = Completer<void>();
  @override
-  void write(Object object) {
+  void write(Object? object) {
    if (syncError) {
      throw Exception('Error!');
    }

--- a/packages/flutter_tools/test/general.shard/commands/build_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'package:args/args.dart';
 import 'package:args/command_runner.dart';
 import 'package:flutter_tools/src/build_info.dart';

--- a/packages/flutter_tools/test/general.shard/drive/web_driver_service_test.dart
+++ b/packages/flutter_tools/test/general.shard/drive/web_driver_service_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'package:file/src/interface/file_system.dart';
@@ -282,7 +280,7 @@ class FakeWebRunnerFactory implements WebRunnerFactory {
  final bool doResolveToError;
  @override
-  ResidentRunner createWebRunner(FlutterDevice device, {String target, bool stayResident, FlutterProject flutterProject, bool ipv6, DebuggingOptions debuggingOptions, UrlTunneller urlTunneller, Logger logger, FileSystem fileSystem, SystemClock systemClock, Usage usage, bool machine = false}) {
+  ResidentRunner createWebRunner(FlutterDevice device, {String? target, bool? stayResident, FlutterProject? flutterProject, bool? ipv6, DebuggingOptions? debuggingOptions, UrlTunneller? urlTunneller, Logger? logger, FileSystem? fileSystem, SystemClock? systemClock, Usage? usage, bool machine = false}) {
    expect(stayResident, isTrue);
    return FakeResidentRunner(
      doResolveToError: doResolveToError,
@@ -292,12 +290,12 @@ class FakeWebRunnerFactory implements WebRunnerFactory {
 class FakeResidentRunner extends Fake implements ResidentRunner {
  FakeResidentRunner({
-    this.doResolveToError,
+    required this.doResolveToError,
  }) {
    instance = this;
  }
-  static FakeResidentRunner instance;
+  static late FakeResidentRunner instance;
  final bool doResolveToError;
  final Completer<int> _exitCompleter = Completer<int>();
@@ -308,10 +306,10 @@ class FakeResidentRunner extends Fake implements ResidentRunner {
  @override
  Future<int> run({
-    Completer<DebugConnectionInfo> connectionInfoCompleter,
+    Completer<DebugConnectionInfo>? connectionInfoCompleter,
-    Completer<void> appStartedCompleter,
+    Completer<void>? appStartedCompleter,
    bool enableDevTools = false,
-    String route,
+    String? route,
  }) async {
    callLog.add('run');
@@ -319,7 +317,7 @@ class FakeResidentRunner extends Fake implements ResidentRunner {
      return Future<int>.error('This is a test error');
    }
-    appStartedCompleter.complete();
+    appStartedCompleter?.complete();
    // Emulate stayResident by completing after exitApp is called.
    return _exitCompleter.future;
  }
@@ -327,7 +325,7 @@ class FakeResidentRunner extends Fake implements ResidentRunner {
  @override
  Future<void> exitApp() async {
    callLog.add('exitApp');
-    _exitCompleter.complete();
+    _exitCompleter.complete(0);
  }
  @override

--- a/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_start_test.dart
+++ b/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_start_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'dart:convert';
@@ -24,7 +22,6 @@ import 'package:flutter_tools/src/fuchsia/fuchsia_sdk.dart';
 import 'package:flutter_tools/src/fuchsia/pkgctl.dart';
 import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/project.dart';
-import 'package:meta/meta.dart';
 import 'package:test/fake.dart';
 import '../../src/common.dart';
@@ -33,14 +30,14 @@ import '../../src/fakes.dart';
 void main() {
  group('Fuchsia app start and stop: ', () {
-    MemoryFileSystem memoryFileSystem;
+    late MemoryFileSystem memoryFileSystem;
-    FakeOperatingSystemUtils osUtils;
+    late FakeOperatingSystemUtils osUtils;
-    FakeFuchsiaDeviceTools fuchsiaDeviceTools;
+    late FakeFuchsiaDeviceTools fuchsiaDeviceTools;
-    FakeFuchsiaSdk fuchsiaSdk;
+    late FakeFuchsiaSdk fuchsiaSdk;
-    Artifacts artifacts;
+    late Artifacts artifacts;
-    FakeProcessManager fakeSuccessfulProcessManager;
+    late FakeProcessManager fakeSuccessfulProcessManager;
-    FakeProcessManager fakeFailedProcessManagerForHostAddress;
+    late FakeProcessManager fakeFailedProcessManagerForHostAddress;
-    File sshConfig;
+    late File sshConfig;
    setUp(() {
      memoryFileSystem = MemoryFileSystem.test();
@@ -113,8 +110,8 @@ void main() {
    });
    Future<LaunchResult> setupAndStartApp({
-      @required bool prebuilt,
+      required bool prebuilt,
-      @required BuildMode mode,
+      required BuildMode mode,
    }) async {
      const String appName = 'app_name';
      final FuchsiaDevice device = FuchsiaDeviceWithFakeDiscovery('123');
@@ -122,7 +119,7 @@ void main() {
      final File pubspecFile = globals.fs.file('pubspec.yaml')..createSync();
      pubspecFile.writeAsStringSync('name: $appName');
-      FuchsiaApp app;
+      FuchsiaApp? app;
      if (prebuilt) {
        final File far = globals.fs.file('app_name-0.far')..createSync();
        app = FuchsiaApp.fromPrebuiltApp(far);
@@ -143,7 +140,7 @@ void main() {
      final DebuggingOptions debuggingOptions = DebuggingOptions.disabled(
          BuildInfo(mode, null, treeShakeIcons: false));
      return device.startApp(
-        app,
+        app!,
        prebuiltApplication: prebuilt,
        debuggingOptions: debuggingOptions,
      );
@@ -191,7 +188,7 @@ void main() {
      pubspecFile.writeAsStringSync('name: $appName');
      final File far = globals.fs.file('app_name-0.far')..createSync();
-      final FuchsiaApp app = FuchsiaApp.fromPrebuiltApp(far);
+      final FuchsiaApp app = FuchsiaApp.fromPrebuiltApp(far)!;
      final DebuggingOptions debuggingOptions = DebuggingOptions.disabled(
          const BuildInfo(BuildMode.release, null, treeShakeIcons: false));
      final LaunchResult launchResult = await device.startApp(app,
@@ -217,7 +214,7 @@ void main() {
      pubspecFile.writeAsStringSync('name: $appName');
      final File far = globals.fs.file('app_name-0.far')..createSync();
-      final FuchsiaApp app = FuchsiaApp.fromPrebuiltApp(far);
+      final FuchsiaApp app = FuchsiaApp.fromPrebuiltApp(far)!;
      final DebuggingOptions debuggingOptions = DebuggingOptions.disabled(
          const BuildInfo(BuildMode.release, null, treeShakeIcons: false));
      final LaunchResult launchResult = await device.startApp(app,
@@ -470,8 +467,7 @@ Process _createFakeProcess({
 }
 class FuchsiaDeviceWithFakeDiscovery extends FuchsiaDevice {
-  FuchsiaDeviceWithFakeDiscovery(String id, {String name})
+  FuchsiaDeviceWithFakeDiscovery(super.id, {super.name = ''});
-      : super(id, name: name);
  @override
  FuchsiaIsolateDiscoveryProtocol getIsolateDiscoveryProtocol(
@@ -533,8 +529,8 @@ class FailingPkgctl implements FuchsiaPkgctl {
 class FakeFuchsiaDeviceTools implements FuchsiaDeviceTools {
  FakeFuchsiaDeviceTools({
-    FuchsiaPkgctl pkgctl,
+    FuchsiaPkgctl? pkgctl,
-    FuchsiaFfx ffx,
+    FuchsiaFfx? ffx,
  })  : pkgctl = pkgctl ?? FakeFuchsiaPkgctl(),
        ffx = ffx ?? FakeFuchsiaFfx();
@@ -546,7 +542,7 @@ class FakeFuchsiaDeviceTools implements FuchsiaDeviceTools {
 }
 class FakeFuchsiaPM implements FuchsiaPM {
-  String _appName;
+  String? _appName;
  @override
  Future<bool> init(String buildPath, String appName) async {
@@ -651,8 +647,8 @@ class FailingPM implements FuchsiaPM {
 class FakeFuchsiaKernelCompiler implements FuchsiaKernelCompiler {
  @override
  Future<void> build({
-    @required FuchsiaProject fuchsiaProject,
+    required FuchsiaProject fuchsiaProject,
-    @required String target, // E.g., lib/main.dart
+    required String target, // E.g., lib/main.dart
    BuildInfo buildInfo = BuildInfo.debug,
  }) async {
    final String outDir = getFuchsiaBuildDirectory();
@@ -665,7 +661,7 @@ class FakeFuchsiaKernelCompiler implements FuchsiaKernelCompiler {
 class FakeFuchsiaFfx implements FuchsiaFfx {
  @override
-  Future<List<String>> list({Duration timeout}) async {
+  Future<List<String>> list({Duration? timeout}) async {
    return <String>['192.168.42.172 scare-cable-skip-ffx'];
  }
@@ -675,7 +671,7 @@ class FakeFuchsiaFfx implements FuchsiaFfx {
  }
  @override
-  Future<String> sessionShow() async {
+  Future<String?> sessionShow() async {
    return null;
  }
@@ -687,7 +683,7 @@ class FakeFuchsiaFfx implements FuchsiaFfx {
 class FakeFuchsiaFfxWithSession implements FuchsiaFfx {
  @override
-  Future<List<String>> list({Duration timeout}) async {
+  Future<List<String>> list({Duration? timeout}) async {
    return <String>['192.168.42.172 scare-cable-skip-ffx'];
  }
@@ -709,9 +705,9 @@ class FakeFuchsiaFfxWithSession implements FuchsiaFfx {
 class FakeFuchsiaSdk extends Fake implements FuchsiaSdk {
  FakeFuchsiaSdk({
-    FuchsiaPM pm,
+    FuchsiaPM? pm,
-    FuchsiaKernelCompiler compiler,
+    FuchsiaKernelCompiler? compiler,
-    FuchsiaFfx ffx,
+    FuchsiaFfx? ffx,
  })  : fuchsiaPM = pm ?? FakeFuchsiaPM(),
        fuchsiaKernelCompiler = compiler ?? FakeFuchsiaKernelCompiler(),
        fuchsiaFfx = ffx ?? FakeFuchsiaFfx();

--- a/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'package:file/memory.dart';
@@ -28,7 +26,6 @@ import 'package:flutter_tools/src/fuchsia/fuchsia_workflow.dart';
 import 'package:flutter_tools/src/globals.dart' as globals;
 import 'package:flutter_tools/src/project.dart';
 import 'package:flutter_tools/src/vmservice.dart';
-import 'package:meta/meta.dart';
 import 'package:test/fake.dart';
 import 'package:vm_service/vm_service.dart' as vm_service;
@@ -56,9 +53,9 @@ final vm_service.Isolate fakeIsolate = vm_service.Isolate(
 void main() {
  group('fuchsia device', () {
-    MemoryFileSystem memoryFileSystem;
+    late MemoryFileSystem memoryFileSystem;
-    File sshConfig;
+    late File sshConfig;
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
    setUp(() {
      memoryFileSystem = MemoryFileSystem.test();
@@ -306,8 +303,8 @@ void main() {
  });
  group('displays friendly error when', () {
-    File artifactFile;
+    late File artifactFile;
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
    setUp(() {
      processManager = FakeProcessManager.empty();
@@ -350,9 +347,9 @@ void main() {
 [2018-11-09 01:30:12][52580][52983][log] INFO: example_app.cm(flutter): Did thing this time
  ''';
-      FakeProcessManager processManager;
+      late FakeProcessManager processManager;
-      File ffx;
+      late File ffx;
-      File sshConfig;
+      late File sshConfig;
      setUp(() {
        processManager = FakeProcessManager.empty();
@@ -475,7 +472,7 @@ void main() {
  });
  group('screenshot', () {
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
    setUp(() {
      processManager = FakeProcessManager.empty();
@@ -681,8 +678,8 @@ void main() {
  });
  group('portForwarder', () {
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
-    File sshConfig;
+    late File sshConfig;
    setUp(() {
      processManager = FakeProcessManager.empty();
@@ -746,7 +743,7 @@ void main() {
        fuchsiaDevice,
        expectedIsolateName,
        (Uri uri) async => fakeVmServiceHost.vmService,
-        (Device device, Uri uri, bool enableServiceAuthCodes) => null,
+        (Device device, Uri uri, bool enableServiceAuthCodes) async {},
        true, // only poll once.
      );
      return discoveryProtocol.uri;
@@ -789,7 +786,7 @@ void main() {
        // wrong name.
        FlutterView(
            id: '2',
-            uiIsolate: vm_service.Isolate.parse(<String, Object>{
+            uiIsolate: vm_service.Isolate.parse(<String, Object?>{
              ...fakeIsolate.toJson(),
              'name': 'wrong name',
            })),
@@ -854,8 +851,8 @@ void main() {
  });
  group('sdkNameAndVersion: ', () {
-    File sshConfig;
+    late File sshConfig;
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
    setUp(() {
      sshConfig = MemoryFileSystem.test().file('ssh_config')
@@ -934,7 +931,7 @@ void main() {
 }
 class FuchsiaModulePackage extends ApplicationPackage {
-  FuchsiaModulePackage({@required this.name}) : super(id: name);
+  FuchsiaModulePackage({required this.name}) : super(id: name);
  @override
  final String name;
@@ -982,7 +979,7 @@ class FakePortForwarder extends Fake implements DevicePortForwarder {
 class FakeFuchsiaFfx implements FuchsiaFfx {
  @override
-  Future<List<String>> list({Duration timeout}) async {
+  Future<List<String>> list({Duration? timeout}) async {
    return <String>['192.168.42.172 scare-cable-skip-ffx'];
  }
@@ -992,7 +989,7 @@ class FakeFuchsiaFfx implements FuchsiaFfx {
  }
  @override
-  Future<String> sessionShow() async {
+  Future<String?> sessionShow() async {
    return null;
  }
@@ -1002,14 +999,18 @@ class FakeFuchsiaFfx implements FuchsiaFfx {
  }
 }
+class FakeFuchsiaPM extends Fake implements FuchsiaPM {}
+class FakeFuchsiaKernelCompiler extends Fake implements FuchsiaKernelCompiler {}
 class FakeFuchsiaSdk extends Fake implements FuchsiaSdk {
  FakeFuchsiaSdk({
-    FuchsiaPM pm,
+    FuchsiaPM? pm,
-    FuchsiaKernelCompiler compiler,
+    FuchsiaKernelCompiler? compiler,
-    FuchsiaFfx ffx,
+    FuchsiaFfx? ffx,
-    String devices,
+    String? devices,
-  })  : fuchsiaPM = pm,
+  })  : fuchsiaPM = pm ?? FakeFuchsiaPM(),
-        fuchsiaKernelCompiler = compiler,
+        fuchsiaKernelCompiler = compiler ?? FakeFuchsiaKernelCompiler(),
        fuchsiaFfx = ffx ?? FakeFuchsiaFfx(),
        _devices = devices;
@@ -1022,10 +1023,10 @@ class FakeFuchsiaSdk extends Fake implements FuchsiaSdk {
  @override
  final FuchsiaFfx fuchsiaFfx;
-  final String _devices;
+  final String? _devices;
  @override
-  Future<String> listDevices({Duration timeout}) async {
+  Future<String?> listDevices({Duration? timeout}) async {
    return _devices;
  }
 }
@@ -1035,10 +1036,10 @@ class FakeDartDevelopmentService extends Fake
  @override
  Future<void> startDartDevelopmentService(
    Uri observatoryUri, {
-    @required Logger logger,
+    required Logger logger,
-    int hostPort,
+    int? hostPort,
-    bool ipv6,
+    bool? ipv6,
-    bool disableServiceAuthCodes,
+    bool? disableServiceAuthCodes,
    bool cacheStartupProfile = false,
  }) async {}

--- a/packages/flutter_tools/test/general.shard/ios/ios_device_start_nonprebuilt_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/ios_device_start_nonprebuilt_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'package:fake_async/fake_async.dart';
 import 'package:file/memory.dart';
 import 'package:file_testing/file_testing.dart';
@@ -23,7 +21,6 @@ import 'package:flutter_tools/src/ios/mac.dart';
 import 'package:flutter_tools/src/ios/xcodeproj.dart';
 import 'package:flutter_tools/src/macos/xcode.dart';
 import 'package:flutter_tools/src/project.dart';
-import 'package:meta/meta.dart';
 import 'package:test/fake.dart';
 import '../../src/common.dart';
@@ -76,8 +73,8 @@ final FakePlatform macPlatform = FakePlatform(
 );
 void main() {
-  Artifacts artifacts;
+  late Artifacts artifacts;
-  String iosDeployPath;
+  late String iosDeployPath;
  setUp(() {
    artifacts = Artifacts.test();
@@ -85,12 +82,12 @@ void main() {
  });
  group('IOSDevice.startApp succeeds in release mode', () {
-    FileSystem fileSystem;
+    late FileSystem fileSystem;
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
-    BufferLogger logger;
+    late BufferLogger logger;
-    Xcode xcode;
+    late Xcode xcode;
-    FakeXcodeProjectInterpreter fakeXcodeProjectInterpreter;
+    late FakeXcodeProjectInterpreter fakeXcodeProjectInterpreter;
-    XcodeProjectInfo projectInfo;
+    late XcodeProjectInfo projectInfo;
    setUp(() {
      logger = BufferLogger.test();
@@ -168,7 +165,7 @@ void main() {
      FileSystem: () => fileSystem,
      Logger: () => logger,
      Platform: () => macPlatform,
-      XcodeProjectInterpreter: () => FakeXcodeProjectInterpreter(projectInfo: null),
+      XcodeProjectInterpreter: () => FakeXcodeProjectInterpreter(),
      Xcode: () => xcode,
    });
@@ -305,10 +302,10 @@ void setUpIOSProject(FileSystem fileSystem) {
 IOSDevice setUpIOSDevice({
  String sdkVersion = '13.0.1',
-  FileSystem fileSystem,
+  FileSystem? fileSystem,
-  Logger logger,
+  Logger? logger,
-  ProcessManager processManager,
+  ProcessManager? processManager,
-  Artifacts artifacts,
+  Artifacts? artifacts,
 }) {
  artifacts ??= Artifacts.test();
  final Cache cache = Cache.test(
@@ -347,7 +344,7 @@ IOSDevice setUpIOSDevice({
 class FakeXcodeProjectInterpreter extends Fake implements XcodeProjectInterpreter {
  FakeXcodeProjectInterpreter({
-    @required this.projectInfo,
+    this.projectInfo,
    this.buildSettings = const <String, String>{
      'TARGET_BUILD_DIR': 'build/ios/Release-iphoneos',
      'WRAPPER_NAME': 'My Super Awesome App.app',
@@ -356,7 +353,7 @@ class FakeXcodeProjectInterpreter extends Fake implements XcodeProjectInterprete
  });
  final Map<String, String> buildSettings;
-  final XcodeProjectInfo projectInfo;
+  final XcodeProjectInfo? projectInfo;
  @override
  final bool isInstalled = true;
@@ -371,15 +368,15 @@ class FakeXcodeProjectInterpreter extends Fake implements XcodeProjectInterprete
  List<String> xcrunCommand() => <String>['xcrun'];
  @override
-  Future<XcodeProjectInfo> getInfo(
+  Future<XcodeProjectInfo?> getInfo(
    String projectPath, {
-    String projectFilename,
+    String? projectFilename,
  }) async => projectInfo;
  @override
  Future<Map<String, String>> getBuildSettings(
    String projectPath, {
-    @required XcodeProjectBuildContext buildContext,
+    required XcodeProjectBuildContext buildContext,
    Duration timeout = const Duration(minutes: 1),
  }) async => buildSettings;
 }
--- a/packages/flutter_tools/test/general.shard/runner/flutter_command_runner_test.dart
+++ b/packages/flutter_tools/test/general.shard/runner/flutter_command_runner_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'package:file/memory.dart';
 import 'package:flutter_tools/src/base/bot_detector.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
@@ -26,8 +24,8 @@ const String _kProjectRoot = '/project';
 void main() {
  group('FlutterCommandRunner', () {
-    MemoryFileSystem fileSystem;
+    late MemoryFileSystem fileSystem;
-    Platform platform;
+    late Platform platform;
    setUpAll(() {
      Cache.disableLocking();
@@ -173,7 +171,7 @@ void main() {
    });
    group('getRepoPackages', () {
-      String oldFlutterRoot;
+      late String? oldFlutterRoot;
      setUp(() {
        oldFlutterRoot = Cache.flutterRoot;
@@ -270,7 +268,7 @@ void main() {
 }
 class FakeFlutterCommand extends FlutterCommand {
-  OutputPreferences preferences;
+  late OutputPreferences preferences;
  @override
  Future<FlutterCommandResult> runCommand() {
@@ -279,14 +277,14 @@ class FakeFlutterCommand extends FlutterCommand {
  }
  @override
-  String get description => null;
+  String get description => '';
  @override
  String get name => 'fake';
 }
 class FakeStdio extends Stdio {
-  FakeStdio({this.hasFakeTerminal});
+  FakeStdio({required this.hasFakeTerminal});
  final bool hasFakeTerminal;
@@ -294,10 +292,10 @@ class FakeStdio extends Stdio {
  bool get hasTerminal => hasFakeTerminal;
  @override
-  int get terminalColumns => hasFakeTerminal ? 80 : null;
+  int? get terminalColumns => hasFakeTerminal ? 80 : null;
  @override
-  int get terminalLines => hasFakeTerminal ? 24 : null;
+  int? get terminalLines => hasFakeTerminal ? 24 : null;
  @override
  bool get supportsAnsiEscapes => hasFakeTerminal;
 }
--- a/packages/flutter_tools/test/general.shard/runner/flutter_command_test.dart
+++ b/packages/flutter_tools/test/general.shard/runner/flutter_command_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'dart:io' as io;
@@ -32,13 +30,13 @@ import 'utils.dart';
 void main() {
  group('Flutter Command', () {
-    FakeCache cache;
+    late FakeCache cache;
-    TestUsage usage;
+    late TestUsage usage;
-    FakeClock clock;
+    late FakeClock clock;
-    FakeProcessInfo processInfo;
+    late FakeProcessInfo processInfo;
-    MemoryFileSystem fileSystem;
+    late MemoryFileSystem fileSystem;
-    FakeProcessManager processManager;
+    late FakeProcessManager processManager;
-    PreRunValidator preRunValidator;
+    late PreRunValidator preRunValidator;
    setUpAll(() {
      Cache.flutterRoot = '/path/to/sdk/flutter';
@@ -246,7 +244,7 @@ void main() {
      final DummyFlutterCommand flutterCommand = DummyFlutterCommand(
        commandFunction: () async {
          throwToolExit('fail');
-        }
+        },
      );
      await expectLater(
        () => flutterCommand.run(),
@@ -324,9 +322,9 @@ void main() {
    });
    group('signals tests', () {
-      FakeIoProcessSignal mockSignal;
+      late FakeIoProcessSignal mockSignal;
-      ProcessSignal signalUnderTest;
+      late ProcessSignal signalUnderTest;
-      StreamController<io.ProcessSignal> signalController;
+      late StreamController<io.ProcessSignal> signalController;
      setUp(() {
        mockSignal = FakeIoProcessSignal();
@@ -350,7 +348,7 @@ void main() {
          commandFunction: () async {
            final Completer<void> c = Completer<void>();
            await c.future;
-            return null; // unreachable
+            throw UnsupportedError('Unreachable');
          }
        );
@@ -398,7 +396,7 @@ void main() {
          checkLockCompleter.complete();
          final Completer<void> c = Completer<void>();
          await c.future;
-          return null; // unreachable
+          throw UnsupportedError('Unreachable');
        });
        unawaited(flutterCommand.run());
@@ -454,7 +452,7 @@ void main() {
      final FlutterCommandResult commandResult = FlutterCommandResult(
        ExitStatus.success,
        // nulls should be cleaned up.
-        timingLabelParts: <String> ['blah1', 'blah2', null, 'blah3'],
+        timingLabelParts: <String?> ['blah1', 'blah2', null, 'blah3'],
        endTimeOverride: DateTime.fromMillisecondsSinceEpoch(1500),
      );
@@ -701,7 +699,7 @@ class FakeTargetCommand extends FlutterCommand {
    return FlutterCommandResult.success();
  }
-  String cachedTargetFile;
+  String? cachedTargetFile;
  @override
  String get description => '';
@@ -759,7 +757,7 @@ class FakeProcessInfo extends Fake implements ProcessInfo {
 }
 class FakeIoProcessSignal extends Fake implements io.ProcessSignal {
-  Stream<io.ProcessSignal> stream;
+  late Stream<io.ProcessSignal> stream;
  @override
  Stream<io.ProcessSignal> watch() => stream;
@@ -779,8 +777,8 @@ class FakeCache extends Fake implements Cache {
 class FakeSignals implements Signals {
  FakeSignals({
-    this.subForSigTerm,
+    required this.subForSigTerm,
-    List<ProcessSignal> exitSignals,
+    required List<ProcessSignal> exitSignals,
  }) : delegate = Signals.test(exitSignals: exitSignals);
  final ProcessSignal subForSigTerm;
@@ -814,14 +812,12 @@ class FakeClock extends Fake implements SystemClock {
 class FakePub extends Fake implements Pub {
  @override
  Future<void> get({
-    PubContext context,
+    required PubContext context,
-    FlutterProject project,
+    required FlutterProject project,
    bool skipIfAbsent = false,
    bool upgrade = false,
    bool offline = false,
-    bool generateSyntheticPackage = false,
+    String? flutterRootOverride,
-    bool generateSyntheticPackageForExample = false,
-    String flutterRootOverride,
    bool checkUpToDate = false,
    bool shouldSkipThirdPartyGenerator = true,
    bool printProgress = true,

--- a/packages/flutter_tools/test/general.shard/runner/runner_test.dart
+++ b/packages/flutter_tools/test/general.shard/runner/runner_test.dart
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'package:file/memory.dart';
@@ -28,7 +26,7 @@ import '../../src/fake_http_client.dart';
 const String kCustomBugInstructions = 'These are instructions to report with a custom bug tracker.';
 void main() {
-  int firstExitCode;
+  int? firstExitCode;
  group('runner', () {
    setUp(() {
@@ -59,7 +57,7 @@ void main() {
      final Completer<void> completer = Completer<void>();
      // runner.run() asynchronously calls the exit function set above, so we
      // catch it in a zone.
-      unawaited(runZoned<Future<void>>(
+      unawaited(runZoned<Future<void>?>(
        () {
          unawaited(runner.run(
            <String>['crash'],
@@ -112,7 +110,7 @@ void main() {
      final Completer<void> completer = Completer<void>();
      // runner.run() asynchronously calls the exit function set above, so we
      // catch it in a zone.
-      unawaited(runZoned<Future<void>>(
+      unawaited(runZoned<Future<void>?>(
        () {
          unawaited(runner.run(
            <String>['crash'],
@@ -160,7 +158,7 @@ void main() {
      final Completer<void> completer = Completer<void>();
      // runner.run() asynchronously calls the exit function set above, so we
      // catch it in a zone.
-      unawaited(runZoned<Future<void>>(
+      unawaited(runZoned<Future<void>?>(
        () {
          unawaited(runner.run(
            <String>['crash'],
@@ -197,7 +195,7 @@ void main() {
      expect(logContents, contains('CrashingFlutterCommand.runCommand'));
      expect(logContents, contains('[!] Flutter'));
-      final CrashDetails sentDetails = (globals.crashReporter as WaitingCrashReporter)._details;
+      final CrashDetails sentDetails = (globals.crashReporter! as WaitingCrashReporter)._details;
      expect(sentDetails.command, 'flutter crash');
      expect(sentDetails.error.toString(), 'Exception: an exception % --');
      expect(sentDetails.stackTrace.toString(), contains('CrashingFlutterCommand.runCommand'));
@@ -222,15 +220,15 @@ void main() {
 class CrashingFlutterCommand extends FlutterCommand {
  CrashingFlutterCommand({
    bool asyncCrash = false,
-    Completer<void> completer,
+    Completer<void>? completer,
  }) :  _asyncCrash = asyncCrash,
        _completer = completer;
  final bool _asyncCrash;
-  final Completer<void> _completer;
+  final Completer<void>? _completer;
  @override
-  String get description => null;
+  String get description => '';
  @override
  String get name => 'crash';
@@ -249,7 +247,7 @@ class CrashingFlutterCommand extends FlutterCommand {
    });
    await completer.future;
-    _completer.complete();
+    _completer!.complete();
    return FlutterCommandResult.success();
  }
@@ -298,16 +296,16 @@ class CrashingUsage implements Usage {
  String get clientId => _impl.clientId;
  @override
-  void sendCommand(String command, {CustomDimensions parameters}) =>
+  void sendCommand(String command, {CustomDimensions? parameters}) =>
      _impl.sendCommand(command, parameters: parameters);
  @override
  void sendEvent(
    String category,
    String parameter, {
-    String label,
+    String? label,
-    int value,
+    int? value,
-    CustomDimensions parameters,
+    CustomDimensions? parameters,
  }) => _impl.sendEvent(
    category,
    parameter,
@@ -321,7 +319,7 @@ class CrashingUsage implements Usage {
    String category,
    String variableName,
    Duration duration, {
-    String label,
+    String? label,
  }) => _impl.sendTiming(category, variableName, duration, label: label);
  @override
@@ -347,7 +345,7 @@ class WaitingCrashReporter implements CrashReporter {
  WaitingCrashReporter(Future<void> future) : _future = future;
  final Future<void> _future;
-  CrashDetails _details;
+  late CrashDetails _details;
  @override
  Future<void> informUser(CrashDetails details, File crashFile) {

--- a/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
+++ b/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
@@ -2,12 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// @dart = 2.8
 import 'dart:async';
 import 'package:file/file.dart';
 import 'package:file/memory.dart';
+import 'package:flutter_tools/src/application_package.dart';
 import 'package:flutter_tools/src/artifacts.dart';
 import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/base/platform.dart';
@@ -15,6 +14,7 @@ import 'package:flutter_tools/src/build_info.dart';
 import 'package:flutter_tools/src/build_system/build_system.dart';
 import 'package:flutter_tools/src/device.dart';
 import 'package:flutter_tools/src/tester/flutter_tester.dart';
+import 'package:test/fake.dart';
 import '../../src/common.dart';
 import '../../src/context.dart';
@@ -23,7 +23,7 @@ import '../../src/fakes.dart';
 import '../../src/test_build_system.dart';
 void main() {
-  MemoryFileSystem fileSystem;
+  late MemoryFileSystem fileSystem;
  setUp(() {
    fileSystem = MemoryFileSystem.test();
@@ -74,12 +74,12 @@ void main() {
  });
  group('startApp', () {
-    FlutterTesterDevice device;
+    late FlutterTesterDevice device;
-    List<String> logLines;
+    late List<String> logLines;
-    String mainPath;
+    String? mainPath;
-    FakeProcessManager fakeProcessManager;
+    late FakeProcessManager fakeProcessManager;
-    TestBuildSystem buildSystem;
+    late TestBuildSystem buildSystem;
    final Map<Type, Generator> startOverrides = <Type, Generator>{
      Platform: () => FakePlatform(),
@@ -111,24 +111,24 @@ void main() {
      expect(device.portForwarder, isNot(isNull));
      expect(await device.targetPlatform, TargetPlatform.tester);
-      expect(await device.installApp(null), isTrue);
+      expect(await device.installApp(FakeApplicationPackage()), isTrue);
-      expect(await device.isAppInstalled(null), isFalse);
+      expect(await device.isAppInstalled(FakeApplicationPackage()), isFalse);
-      expect(await device.isLatestBuildInstalled(null), isFalse);
+      expect(await device.isLatestBuildInstalled(FakeApplicationPackage()), isFalse);
-      expect(await device.uninstallApp(null), isTrue);
+      expect(await device.uninstallApp(FakeApplicationPackage()), isTrue);
      expect(device.isSupported(), isTrue);
    });
    testWithoutContext('does not accept profile, release, or jit-release builds', () async {
-      final LaunchResult releaseResult = await device.startApp(null,
+      final LaunchResult releaseResult = await device.startApp(FakeApplicationPackage(),
        mainPath: mainPath,
        debuggingOptions: DebuggingOptions.disabled(BuildInfo.release),
      );
-      final LaunchResult profileResult = await device.startApp(null,
+      final LaunchResult profileResult = await device.startApp(FakeApplicationPackage(),
        mainPath: mainPath,
        debuggingOptions: DebuggingOptions.disabled(BuildInfo.profile),
      );
-      final LaunchResult jitReleaseResult = await device.startApp(null,
+      final LaunchResult jitReleaseResult = await device.startApp(FakeApplicationPackage(),
        mainPath: mainPath,
        debuggingOptions: DebuggingOptions.disabled(BuildInfo.jitRelease),
      );
@@ -216,3 +216,5 @@ FlutterTesterDevices setUpFlutterTesterDevices() {
    operatingSystemUtils: FakeOperatingSystemUtils(),
  );
 }
+class FakeApplicationPackage extends Fake implements ApplicationPackage {}