[flutter_tools] re-enable all tests on windows (#85384)

dev/bots/test.dart

@@ -276,13 +276,10 @@ Future<void> _runGeneralToolTests() async {
 }
 
 Future<void> _runCommandsToolTests() async {
-  // Due to https://github.com/flutter/flutter/issues/46180, skip the hermetic directory
-  // on Windows.
-  final String suffix = Platform.isWindows ? 'permeable' : '';
   await _pubRunTest(
     path.join(flutterRoot, 'packages', 'flutter_tools'),
     forceSingleCore: true,
-    testPaths: <String>[path.join('test', 'commands.shard', suffix)],
+    testPaths: <String>[path.join('test', 'commands.shard')],
   );
 }
 

packages/flutter_tools/test/commands.shard/hermetic/generate_localizations_test.dart

@@ -7,6 +7,7 @@
 import 'package:file/memory.dart';
 import 'package:flutter_tools/src/base/file_system.dart';
 import 'package:flutter_tools/src/base/logger.dart';
+import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/commands/generate_localizations.dart';
 import 'package:flutter_tools/src/runner/flutter_command.dart';
 
@@ -16,8 +17,17 @@ import '../../src/context.dart';
 import '../../src/test_flutter_command_runner.dart';
 
 void main() {
+  FileSystem fileSystem;
+
+  setUpAll(() {
+    Cache.disableLocking();
+  });
+
+  setUp(() {
+    fileSystem = MemoryFileSystem.test();
+  });
+
   testUsingContext('default l10n settings', () async {
-    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
     final BufferLogger logger = BufferLogger.test();
     final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
       ..createSync(recursive: true);
@@ -40,10 +50,12 @@ void main() {
     expect(outputDirectory.existsSync(), true);
     expect(outputDirectory.childFile('app_localizations_en.dart').existsSync(), true);
     expect(outputDirectory.childFile('app_localizations.dart').existsSync(), true);
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('not using synthetic packages', () async {
-    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
     final BufferLogger logger = BufferLogger.test();
     final Directory l10nDirectory = fileSystem.directory(
       fileSystem.path.join('lib', 'l10n'),
@@ -74,10 +86,12 @@ void main() {
     expect(l10nDirectory.existsSync(), true);
     expect(l10nDirectory.childFile('app_localizations_en.dart').existsSync(), true);
     expect(l10nDirectory.childFile('app_localizations.dart').existsSync(), true);
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('throws error when arguments are invalid', () async {
-    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
     final BufferLogger logger = BufferLogger.test();
     final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
       ..createSync(recursive: true);
@@ -102,10 +116,12 @@ void main() {
       ]),
       throwsToolExit(),
     );
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('l10n yaml file takes precedence over command line arguments', () async {
-    final MemoryFileSystem fileSystem = MemoryFileSystem.test();
     final BufferLogger logger = BufferLogger.test();
     final File arbFile = fileSystem.file(fileSystem.path.join('lib', 'l10n', 'app_en.arb'))
       ..createSync(recursive: true);
@@ -132,5 +148,8 @@ void main() {
     expect(outputDirectory.existsSync(), true);
     expect(outputDirectory.childFile('app_localizations_en.dart').existsSync(), true);
     expect(outputDirectory.childFile('app_localizations.dart').existsSync(), true);
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => FakeProcessManager.any(),
   });
 }