Extra defensive programming for pub modification time assert (#42491)

diff --git a/packages/flutter_tools/test/general.shard/analytics_test.dart b/packages/flutter_tools/test/general.shard/analytics_test.dart
index 8a66112..371986c 100644
--- a/packages/flutter_tools/test/general.shard/analytics_test.dart
+++ b/packages/flutter_tools/test/general.shard/analytics_test.dart
@@ -108,7 +108,7 @@
         'FLUTTER_ANALYTICS_LOG_FILE': 'test',
       }),
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Usage records multiple features in experiment setting', () async {
@@ -130,7 +130,7 @@
         'FLUTTER_ANALYTICS_LOG_FILE': 'test',
       }),
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -223,7 +223,7 @@
       expect(log.contains(formatDateTime(dateTime)), isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       SystemClock: () => mockClock,
       Platform: () => FakePlatform(
         environment: <String, String>{
@@ -249,7 +249,7 @@
       expect(log.contains(formatDateTime(dateTime)), isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       SystemClock: () => mockClock,
       Platform: () => FakePlatform(
         environment: <String, String>{
diff --git a/packages/flutter_tools/test/general.shard/android/android_device_test.dart b/packages/flutter_tools/test/general.shard/android/android_device_test.dart
index 2a16c3f..7cd19f3 100644
--- a/packages/flutter_tools/test/general.shard/android/android_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/android_device_test.dart
@@ -398,7 +398,7 @@
     expect(AndroidDevice('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('isSupportedForProject is true with editable host app', () async {
@@ -410,7 +410,7 @@
     expect(AndroidDevice('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('isSupportedForProject is false with no host app and no module', () async {
@@ -421,7 +421,7 @@
     expect(AndroidDevice('test').isSupportedForProject(flutterProject), false);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   group('emulatorId', () {
diff --git a/packages/flutter_tools/test/general.shard/android/android_sdk_test.dart b/packages/flutter_tools/test/general.shard/android/android_sdk_test.dart
index e93f7f7..684e57d 100644
--- a/packages/flutter_tools/test/general.shard/android/android_sdk_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/android_sdk_test.dart
@@ -45,7 +45,7 @@
       expect(sdk.latestVersion.sdkLevel, 23);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('parse sdk N', () {
@@ -57,7 +57,7 @@
       expect(sdk.latestVersion.sdkLevel, 24);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('returns sdkmanager path', () {
@@ -68,7 +68,7 @@
       expect(sdk.sdkManagerPath, fs.path.join(sdk.directory, 'tools', 'bin', 'sdkmanager'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('returns sdkmanager version', () {
@@ -161,7 +161,7 @@
           expect(sdk.ndk.compilerArgs, <String>['--sysroot', realNdkSysroot]);
         }, overrides: <Type, Generator>{
           FileSystem: () => fs,
-          ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+          ProcessManager: () => FakeProcessManager.any(),
           Platform: () => FakePlatform(operatingSystem: os),
         });
 
@@ -196,7 +196,7 @@
           expect(sdk.ndk.compilerArgs, <String>['--sysroot', realNdkSysroot, '-fuse-ld=$realNdkLinker']);
         }, overrides: <Type, Generator>{
           FileSystem: () => fs,
-          ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+          ProcessManager: () => FakeProcessManager.any(),
           Platform: () => FakePlatform(operatingSystem: os),
         });
       });
@@ -214,7 +214,7 @@
           expect(explanation, contains('Can not locate ndk-bundle'));
         }, overrides: <Type, Generator>{
           FileSystem: () => fs,
-          ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+          ProcessManager: () => FakeProcessManager.any(),
           Platform: () => FakePlatform(operatingSystem: os),
         });
       }
diff --git a/packages/flutter_tools/test/general.shard/android/android_studio_test.dart b/packages/flutter_tools/test/general.shard/android/android_studio_test.dart
index 5fe9a22..16a4d84 100644
--- a/packages/flutter_tools/test/general.shard/android/android_studio_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/android_studio_test.dart
@@ -66,7 +66,7 @@
           equals('/home/me/.AndroidStudioWithCheese5.0/config/plugins'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       // Custom home paths are not supported on macOS nor Windows yet,
       // so we force the platform to fake Linux here.
       Platform: () => linuxPlatform(),
@@ -86,7 +86,7 @@
           equals(fs.path.join(homeMac, 'Library', 'Application Support', 'AndroidStudio3.3')));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       // Custom home paths are not supported on macOS nor Windows yet,
       // so we force the platform to fake Linux here.
       Platform: () => macPlatform(),
@@ -116,7 +116,7 @@
           equals(fs.path.join(homeMac, 'Library', 'Application Support', 'AndroidStudio3.3')));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       // Custom home paths are not supported on macOS nor Windows yet,
       // so we force the platform to fake Linux here.
       Platform: () => macPlatform(),
diff --git a/packages/flutter_tools/test/general.shard/android/gradle_test.dart b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
index 998fcea..63590bf 100644
--- a/packages/flutter_tools/test/general.shard/android/gradle_test.dart
+++ b/packages/flutter_tools/test/general.shard/android/gradle_test.dart
@@ -58,7 +58,7 @@
       expect(findApkFiles(gradleProject, buildInfo), <File>[]);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     test('androidXFailureRegex should match lines with likely AndroidX errors', () {
@@ -131,7 +131,7 @@
       expect(bundle.path, '/foo_barRelease/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor doesn\'t contain underscores in release mode', () {
@@ -141,7 +141,7 @@
       expect(bundle.path, '/fooRelease/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when no flavor is used in release mode', () {
@@ -151,7 +151,7 @@
       expect(bundle.path, '/release/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor contains underscores in debug mode', () {
@@ -161,7 +161,7 @@
       expect(bundle.path, '/foo_barDebug/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor doesn\'t contain underscores in debug mode', () {
@@ -171,7 +171,7 @@
       expect(bundle.path, '/fooDebug/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when no flavor is used in debug mode', () {
@@ -181,7 +181,7 @@
       expect(bundle.path, '/debug/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor contains underscores in profile mode', () {
@@ -191,7 +191,7 @@
       expect(bundle.path, '/foo_barProfile/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor doesn\'t contain underscores in profile mode', () {
@@ -201,7 +201,7 @@
       expect(bundle.path, '/fooProfile/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when no flavor is used in profile mode', () {
@@ -211,7 +211,7 @@
       expect(bundle.path, '/profile/app.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle in release mode - Gradle 3.5', () {
@@ -221,7 +221,7 @@
       expect(bundle.path, '/release/app-release.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle in profile mode - Gradle 3.5', () {
@@ -231,7 +231,7 @@
       expect(bundle.path, '/profile/app-profile.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle in debug mode - Gradle 3.5', () {
@@ -241,7 +241,7 @@
       expect(bundle.path, '/debug/app-debug.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor contains underscores in release mode - Gradle 3.5', () {
@@ -251,7 +251,7 @@
       expect(bundle.path, '/foo_barRelease/app-foo_bar-release.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor contains underscores in profile mode - Gradle 3.5', () {
@@ -261,7 +261,7 @@
       expect(bundle.path, '/foo_barProfile/app-foo_bar-profile.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Finds app bundle when flavor contains underscores in debug mode - Gradle 3.5', () {
@@ -271,7 +271,7 @@
       expect(bundle.path, '/foo_barDebug/app-foo_bar-debug.aab');
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -508,7 +508,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Logger: () => mockLogger,
     });
 
@@ -542,7 +542,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Logger: () => mockLogger,
     });
   });
@@ -1268,7 +1268,7 @@
     }, overrides: <Type, Generator>{
       Cache: () => Cache(rootOverride: tempDir),
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Inject the wrapper when some files are missing', () {
@@ -1309,7 +1309,7 @@
     }, overrides: <Type, Generator>{
       Cache: () => Cache(rootOverride: tempDir),
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Gives executable permission to gradle', () {
@@ -1327,7 +1327,7 @@
     }, overrides: <Type, Generator>{
       Cache: () => Cache(rootOverride: tempDir),
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       OperatingSystemUtils: () => OperatingSystemUtils(),
     });
   });
@@ -1349,7 +1349,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('throws ToolExit if it cannot write gradle.properties', () {
@@ -1387,7 +1387,7 @@
         equals('android.enableR8=true'));
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('sets android.enableR8=true', () {
@@ -1408,7 +1408,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('appends android.enableR8=true to the new line', () {
@@ -1451,7 +1451,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('returns false when the project is not using AndroidX', () async {
@@ -1465,7 +1465,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('returns false when gradle.properties does not exist', () async {
@@ -1475,7 +1475,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
diff --git a/packages/flutter_tools/test/general.shard/application_package_test.dart b/packages/flutter_tools/test/general.shard/application_package_test.dart
index 06c3b00..9afad1a 100644
--- a/packages/flutter_tools/test/general.shard/application_package_test.dart
+++ b/packages/flutter_tools/test/general.shard/application_package_test.dart
@@ -211,7 +211,7 @@
   group('PrebuiltIOSApp', () {
     final Map<Type, Generator> overrides = <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       PlistParser: () => MockPlistUtils(),
       Platform: _kNoColorTerminalPlatform,
       OperatingSystemUtils: () => MockOperatingSystemUtils(),
@@ -363,7 +363,7 @@
   group('FuchsiaApp', () {
     final Map<Type, Generator> overrides = <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Platform: _kNoColorTerminalPlatform,
       OperatingSystemUtils: () => MockOperatingSystemUtils(),
     };
diff --git a/packages/flutter_tools/test/general.shard/artifacts_test.dart b/packages/flutter_tools/test/general.shard/artifacts_test.dart
index a5539d5..37b6fee 100644
--- a/packages/flutter_tools/test/general.shard/artifacts_test.dart
+++ b/packages/flutter_tools/test/general.shard/artifacts_test.dart
@@ -45,7 +45,7 @@
       }, overrides: <Type, Generator>{
         Cache: () => Cache(rootOverride: tempDir),
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'linux'),
       });
 
@@ -65,7 +65,7 @@
       }, overrides: <Type, Generator>{
         Cache: () => Cache(rootOverride: tempDir),
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'linux'),
       });
     });
@@ -95,7 +95,7 @@
         );
       }, overrides: <Type, Generator>{
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'linux'),
       });
 
@@ -114,7 +114,7 @@
         );
       }, overrides: <Type, Generator>{
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'linux'),
       });
 
@@ -122,7 +122,7 @@
         expect(artifacts.getArtifactPath(Artifact.engineDartBinary), contains('.exe'));
       }, overrides: <Type, Generator>{
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'windows'),
       });
 
@@ -130,7 +130,7 @@
         expect(artifacts.getArtifactPath(Artifact.engineDartBinary), isNot(contains('.exe')));
       }, overrides: <Type, Generator>{
         FileSystem: () => memoryFileSystem,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => FakePlatform(operatingSystem: 'linux'),
       });
     });
diff --git a/packages/flutter_tools/test/general.shard/asset_bundle_package_fonts_test.dart b/packages/flutter_tools/test/general.shard/asset_bundle_package_fonts_test.dart
index db44a3b..77f0f83 100644
--- a/packages/flutter_tools/test/general.shard/asset_bundle_package_fonts_test.dart
+++ b/packages/flutter_tools/test/general.shard/asset_bundle_package_fonts_test.dart
@@ -126,7 +126,7 @@
       expect(bundle.entries.containsKey('FontManifest.json'), isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App font uses font file from package', () async {
@@ -155,7 +155,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App font uses local font file and package font file', () async {
@@ -188,7 +188,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App uses package font with own font file', () async {
@@ -222,7 +222,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App uses package font with font file from another package', () async {
@@ -257,7 +257,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App uses package font with properties and own font file', () async {
@@ -293,7 +293,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('App uses local font and package font with own font file.', () async {
@@ -333,7 +333,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/asset_bundle_package_test.dart b/packages/flutter_tools/test/general.shard/asset_bundle_package_test.dart
index 6ab2369..52a2a66 100644
--- a/packages/flutter_tools/test/general.shard/asset_bundle_package_test.dart
+++ b/packages/flutter_tools/test/general.shard/asset_bundle_package_test.dart
@@ -135,7 +135,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('No assets are bundled when the package has an asset that is not listed', () async {
@@ -163,7 +163,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('One asset is bundled when the package has and lists one asset its pubspec', () async {
@@ -191,7 +191,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext("One asset is bundled when the package has one asset, listed in the app's pubspec", () async {
@@ -219,7 +219,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('One asset and its variant are bundled when the package has an asset and a variant, and lists the asset in its pubspec', () async {
@@ -247,7 +247,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('One asset and its variant are bundled when the package has an asset and a variant, and the app lists the asset in its pubspec', () async {
@@ -278,7 +278,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Two assets are bundled when the package has and lists two assets in its pubspec', () async {
@@ -307,7 +307,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext("Two assets are bundled when the package has two assets, listed in the app's pubspec", () async {
@@ -343,7 +343,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Two assets are bundled when two packages each have and list an asset their pubspec', () async {
@@ -383,7 +383,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext("Two assets are bundled when two packages each have an asset, listed in the app's pubspec", () async {
@@ -426,7 +426,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('One asset is bundled when the app depends on a package, listing in its pubspec an asset from another package', () async {
@@ -461,7 +461,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -491,7 +491,7 @@
     );
   }, overrides: <Type, Generator>{
     FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
   });
 
   group('AssetBundle assets from scanned paths', () {
@@ -523,7 +523,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Two assets are bundled when listing one and scanning second directory', () async {
@@ -554,7 +554,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('One asset is bundled with variant, scanning wrong directory', () async {
@@ -580,7 +580,7 @@
       assert(bundle.entries['AssetManifest.json'] == null,'Invalid pubspec.yaml should not generate AssetManifest.json'  );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -612,7 +612,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('No asset is bundled with variant, no assets or directories are listed', () async {
@@ -641,7 +641,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Expect error generating manifest, wrong non-existing directory is listed', () async {
@@ -675,7 +675,7 @@
       }
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
   });
diff --git a/packages/flutter_tools/test/general.shard/asset_bundle_test.dart b/packages/flutter_tools/test/general.shard/asset_bundle_test.dart
index e39bf74..c46baba 100644
--- a/packages/flutter_tools/test/general.shard/asset_bundle_test.dart
+++ b/packages/flutter_tools/test/general.shard/asset_bundle_test.dart
@@ -38,7 +38,7 @@
       expect(ab.entries.length, greaterThan(0));
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('empty pubspec', () async {
@@ -56,7 +56,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('wildcard directories are updated when filesystem changes', () async {
@@ -96,7 +96,7 @@
       expect(bundle.entries.length, 5);
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('handle removal of wildcard directories', () async {
@@ -146,7 +146,7 @@
       expect(bundle.entries.length, 4);
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     // https://github.com/flutter/flutter/issues/42723
@@ -175,7 +175,7 @@
       expect(bundle.needsBuild(manifestPath: 'pubspec.yaml'), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
diff --git a/packages/flutter_tools/test/general.shard/asset_bundle_variant_test.dart b/packages/flutter_tools/test/general.shard/asset_bundle_variant_test.dart
index 2b6a383..49e5a44 100644
--- a/packages/flutter_tools/test/general.shard/asset_bundle_variant_test.dart
+++ b/packages/flutter_tools/test/general.shard/asset_bundle_variant_test.dart
@@ -92,7 +92,7 @@
       }
     }, overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/base/build_test.dart b/packages/flutter_tools/test/general.shard/base/build_test.dart
index 65d5e06..76f1daa 100644
--- a/packages/flutter_tools/test/general.shard/base/build_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/build_test.dart
@@ -254,7 +254,7 @@
       AndroidSdk: () => mockAndroidSdk,
       Artifacts: () => mockArtifacts,
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       GenSnapshot: () => genSnapshot,
       Xcode: () => mockXcode,
       Logger: () => bufferLogger,
diff --git a/packages/flutter_tools/test/general.shard/base/file_system_test.dart b/packages/flutter_tools/test/general.shard/base/file_system_test.dart
index b647b60..8722bbe 100644
--- a/packages/flutter_tools/test/general.shard/base/file_system_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/file_system_test.dart
@@ -22,7 +22,7 @@
       expect(fs.isDirectorySync('foo/bar'), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('throws tool exit on failure to create', () async {
@@ -30,7 +30,7 @@
       expect(() => ensureDirectoryExists('foo/bar.flx'), throwsToolExit());
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -86,7 +86,7 @@
       expect(destination.childDirectory('nested').childFile('a.txt').existsSync(), isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
diff --git a/packages/flutter_tools/test/general.shard/base/fingerprint_test.dart b/packages/flutter_tools/test/general.shard/base/fingerprint_test.dart
index 0a40128..acf2643 100644
--- a/packages/flutter_tools/test/general.shard/base/fingerprint_test.dart
+++ b/packages/flutter_tools/test/general.shard/base/fingerprint_test.dart
@@ -30,7 +30,7 @@
 
     final Map<Type, Generator> contextOverrides = <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     };
 
     testUsingContext('throws when depfile is malformed', () {
@@ -293,7 +293,7 @@
         );
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
       });
 
       testUsingContext('populates checksums for valid files', () {
@@ -307,7 +307,7 @@
         expect(jsonObject['files']['b.dart'], '6f144e08b58cd0925328610fad7ac07c');
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
       });
 
       testUsingContext('includes framework version', () {
@@ -489,7 +489,7 @@
 
     final Map<Type, Generator> contextOverrides = <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     };
 
     testUsingContext('returns one file if only one is listed', () {
diff --git a/packages/flutter_tools/test/general.shard/build_system/targets/windows_test.dart b/packages/flutter_tools/test/general.shard/build_system/targets/windows_test.dart
index ba3763f..40768e1 100644
--- a/packages/flutter_tools/test/general.shard/build_system/targets/windows_test.dart
+++ b/packages/flutter_tools/test/general.shard/build_system/targets/windows_test.dart
@@ -52,7 +52,7 @@
       fs.directory('windows').createSync();
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(style: FileSystemStyle.windows),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Platform: () => platform,
     });
   });
diff --git a/packages/flutter_tools/test/general.shard/cache_test.dart b/packages/flutter_tools/test/general.shard/cache_test.dart
index d3f9d58..ae3dcb6 100644
--- a/packages/flutter_tools/test/general.shard/cache_test.dart
+++ b/packages/flutter_tools/test/general.shard/cache_test.dart
@@ -64,7 +64,7 @@
       Cache.releaseLockEarly();
     }, overrides: <Type, Generator>{
       FileSystem: () => mockFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('throws tool exit when lockfile open fails', () async {
@@ -73,7 +73,7 @@
       expect(() async => await Cache.lock(), throwsA(isA<ToolExit>()));
     }, overrides: <Type, Generator>{
       FileSystem: () => mockFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('should not throw when FLUTTER_ALREADY_LOCKED is set', () async {
@@ -102,7 +102,7 @@
     }, overrides: <Type, Generator>{
       Cache: ()=> mockCache,
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Gradle wrapper should be up to date, only if all cached artifact are available', () {
@@ -118,7 +118,7 @@
     }, overrides: <Type, Generator>{
       Cache: ()=> mockCache,
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     test('should not be up to date, if some cached artifact is not', () {
@@ -210,7 +210,7 @@
     expect(flattenNameSubdirs(Uri.parse('https://www.flutter.dev')), 'www.flutter.dev');
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   test('Unstable artifacts', () {
@@ -261,7 +261,7 @@
     }, overrides: <Type, Generator>{
       Cache: ()=> mockCache,
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       HttpClientFactory: () => () => fakeHttpClient,
       OperatingSystemUtils: () => mockOperatingSystemUtils,
       Platform: () => fakePlatform,
diff --git a/packages/flutter_tools/test/general.shard/commands/build_aot_test.dart b/packages/flutter_tools/test/general.shard/commands/build_aot_test.dart
index 3804f4f..cba2510 100644
--- a/packages/flutter_tools/test/general.shard/commands/build_aot_test.dart
+++ b/packages/flutter_tools/test/general.shard/commands/build_aot_test.dart
@@ -41,7 +41,7 @@
   }, overrides: <Type, Generator>{
     Artifacts: () => LocalEngineArtifacts('/engine', 'ios_profile', 'host_profile'),
     FileSystem: () => memoryFileSystem,
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('build aot prints error if Clang version invalid', () async {
diff --git a/packages/flutter_tools/test/general.shard/dart/pub_get_test.dart b/packages/flutter_tools/test/general.shard/dart/pub_get_test.dart
index 9130bbe..7ff882e 100644
--- a/packages/flutter_tools/test/general.shard/dart/pub_get_test.dart
+++ b/packages/flutter_tools/test/general.shard/dart/pub_get_test.dart
@@ -7,11 +7,13 @@
 
 import 'package:file/file.dart';
 import 'package:file/memory.dart';
-import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/base/common.dart';
 import 'package:flutter_tools/src/base/context.dart';
+import 'package:flutter_tools/src/base/file_system.dart';
 import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/base/platform.dart';
+import 'package:flutter_tools/src/base/utils.dart';
+import 'package:flutter_tools/src/cache.dart';
 import 'package:flutter_tools/src/dart/pub.dart';
 import 'package:flutter_tools/src/reporting/reporting.dart';
 
@@ -22,6 +24,7 @@
 import '../../src/common.dart';
 import '../../src/context.dart';
 import '../../src/mocks.dart' as mocks;
+import '../../src/testbed.dart';
 
 void main() {
   setUpAll(() {
@@ -239,6 +242,117 @@
     Usage: () => MockUsage(),
     Pub: () => const Pub(),
   });
+
+  test('Pub error handling', () {
+    final MemoryFileSystem fileSystem = MemoryFileSystem();
+    final FakeProcessManager processManager = FakeProcessManager.list(<FakeCommand>[
+      FakeCommand(
+        command: const <String>[
+          '/bin/cache/dart-sdk/bin/pub',
+          '--verbosity=warning',
+          'get',
+          '--no-precompile',
+        ],
+        onRun: () {
+          fs.file('.packages')
+            ..setLastModifiedSync(DateTime(2002));
+        }
+      ),
+      const FakeCommand(
+        command: <String>[
+          '/bin/cache/dart-sdk/bin/pub',
+          '--verbosity=warning',
+          'get',
+          '--no-precompile',
+        ],
+      ),
+      FakeCommand(
+        command: const <String>[
+          '/bin/cache/dart-sdk/bin/pub',
+          '--verbosity=warning',
+          'get',
+          '--no-precompile',
+        ],
+        onRun: () {
+          fs.file('pubspec.yaml')
+            ..setLastModifiedSync(DateTime(2002));
+        }
+      ),
+    ]);
+    Testbed().run(() async {
+      // the good scenario: .packages is old, pub updates the file.
+      fs.file('.packages')
+        ..createSync()
+        ..setLastModifiedSync(DateTime(2000));
+      fs.file('pubspec.yaml')
+        ..createSync()
+        ..setLastModifiedSync(DateTime(2001));
+      await pub.get(context: PubContext.flutterTests, checkLastModified: true); // pub sets date of .packages to 2002
+      expect(testLogger.statusText, 'Running "flutter pub get" in /...\n');
+      expect(testLogger.errorText, isEmpty);
+      expect(fs.file('pubspec.yaml').lastModifiedSync(), DateTime(2001)); // because nothing should touch it
+      expect(fs.file('.packages').lastModifiedSync(), isNot(DateTime(2000))); // because pub changes it to 2002
+      expect(fs.file('.packages').lastModifiedSync(), isNot(DateTime(2002))); // because we set the timestamp again after pub
+      testLogger.clear();
+      // bad scenario 1: pub doesn't update file; doesn't matter, because we do instead
+      fs.file('.packages')
+        ..setLastModifiedSync(DateTime(2000));
+      fs.file('pubspec.yaml')
+        ..setLastModifiedSync(DateTime(2001));
+      await pub.get(context: PubContext.flutterTests, checkLastModified: true); // pub does nothing
+      expect(testLogger.statusText, 'Running "flutter pub get" in /...\n');
+      expect(testLogger.errorText, isEmpty);
+      expect(fs.file('pubspec.yaml').lastModifiedSync(), DateTime(2001)); // because nothing should touch it
+      expect(fs.file('.packages').lastModifiedSync(), isNot(DateTime(2000))); // because we set the timestamp
+      expect(fs.file('.packages').lastModifiedSync(), isNot(DateTime(2002))); // just in case FakeProcessManager is buggy
+      testLogger.clear();
+      // bad scenario 2: pub changes pubspec.yaml instead
+      fs.file('.packages')
+        ..setLastModifiedSync(DateTime(2000));
+      fs.file('pubspec.yaml')
+        ..setLastModifiedSync(DateTime(2001));
+      try {
+        await pub.get(context: PubContext.flutterTests, checkLastModified: true);
+        expect(true, isFalse, reason: 'pub.get did not throw');
+      } catch (error) {
+        expect(error.runtimeType, Exception);
+        expect(error.message, '/: unexpected concurrent modification of pubspec.yaml while running pub.');
+      }
+      expect(testLogger.statusText, 'Running "flutter pub get" in /...\n');
+      expect(testLogger.errorText, isEmpty);
+      expect(fs.file('pubspec.yaml').lastModifiedSync(), DateTime(2002)); // because fake pub above touched it
+      expect(fs.file('.packages').lastModifiedSync(), DateTime(2000)); // because nothing touched it
+      // bad scenario 3: pubspec.yaml was created in the future
+      fs.file('.packages')
+        ..setLastModifiedSync(DateTime(2000));
+      fs.file('pubspec.yaml')
+        ..setLastModifiedSync(DateTime(9999));
+      assert(DateTime(9999).isAfter(DateTime.now()));
+      await pub.get(context: PubContext.flutterTests, checkLastModified: true); // pub does nothing
+      expect(testLogger.statusText, 'Running "flutter pub get" in /...\n');
+      expect(testLogger.errorText, startsWith(
+        'Warning: File "/pubspec.yaml" was created in the future. Optimizations that rely on '
+        'comparing time stamps will be unreliable. Check your system clock for accuracy.\n'
+        'The timestamp was: 2000-01-01 00:00:00.000\n'
+      ));
+      testLogger.clear();
+    }, overrides: <Type, Generator>{
+      FileSystem: () => fileSystem,
+      ProcessManager: () => processManager,
+      Pub: () => const Pub(),
+      Platform: () => FakePlatform(
+        operatingSystem: 'linux', // so that the command executed is consistent
+        environment: <String, String>{},
+      ),
+      BotDetector: () => const BotDetectorAlwaysNo(), // so that the test never adds --trace to the pub command
+    });
+  });
+}
+
+class BotDetectorAlwaysNo implements BotDetector {
+  const BotDetectorAlwaysNo();
+  @override
+  bool get isRunningOnBot => false;
 }
 
 typedef StartCallback = void Function(List<dynamic> command);
diff --git a/packages/flutter_tools/test/general.shard/devfs_test.dart b/packages/flutter_tools/test/general.shard/devfs_test.dart
index 9c63f52..bd5a5a6 100644
--- a/packages/flutter_tools/test/general.shard/devfs_test.dart
+++ b/packages/flutter_tools/test/general.shard/devfs_test.dart
@@ -89,7 +89,7 @@
       expect(content.isModified, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     }, skip: Platform.isWindows); // TODO(jonahwilliams): fix or disable this functionality.
   });
 
@@ -159,7 +159,7 @@
       verify(httpRequest.close()).called(kFailedAttempts + 1);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -208,7 +208,7 @@
       expect(report.success, true);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('delete dev file system', () async {
@@ -218,7 +218,7 @@
       expect(devFS.assetPathsToEvict, isEmpty);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('cleanup preexisting file system', () async {
@@ -246,7 +246,7 @@
       expect(devFS.assetPathsToEvict, isEmpty);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('reports unsuccessful compile when errors are returned', () async {
@@ -276,7 +276,7 @@
       expect(devFS.lastCompiled, previousCompile);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('correctly updates last compiled time when compilation does not fail', () async {
@@ -310,7 +310,7 @@
       expect(devFS.lastCompiled, isNot(previousCompile));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart b/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
index 2447929..353ffad 100644
--- a/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
+++ b/packages/flutter_tools/test/general.shard/flutter_manifest_test.dart
@@ -652,7 +652,7 @@
         },
         overrides: <Type, Generator>{
           FileSystem: () => filesystem,
-          ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+          ProcessManager: () => FakeProcessManager.any(),
         },
       );
     }
diff --git a/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart b/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart
index a93073a..c7e77e1 100644
--- a/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/fuchsia/fuchsia_device_test.dart
@@ -75,7 +75,7 @@
       expect(device.isSupportedForProject(FlutterProject.current()), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('supported for project', () async {
@@ -85,7 +85,7 @@
       expect(device.isSupportedForProject(FlutterProject.current()), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('not supported for project', () async {
@@ -94,7 +94,7 @@
       expect(device.isSupportedForProject(FlutterProject.current()), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -448,7 +448,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -473,7 +473,7 @@
       expect(await device.stopApp(app), isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -486,7 +486,7 @@
       expect(launchResult.hasObservatory, isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -499,7 +499,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -512,7 +512,7 @@
       expect(launchResult.hasObservatory, isTrue);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -525,7 +525,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => MockFuchsiaSdk(devFinder: FailingDevFinder()),
       OperatingSystemUtils: () => osUtils,
@@ -538,7 +538,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => fuchsiaDeviceTools,
       FuchsiaSdk: () => MockFuchsiaSdk(pm: FailingPM()),
       OperatingSystemUtils: () => osUtils,
@@ -551,7 +551,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => FakeFuchsiaDeviceTools(amber: FailingAmberCtl()),
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
@@ -564,7 +564,7 @@
       expect(launchResult.hasObservatory, isFalse);
     }, overrides: <Type, Generator>{
       FileSystem: () => memoryFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FuchsiaDeviceTools: () => FakeFuchsiaDeviceTools(tiles: FailingTilesCtl()),
       FuchsiaSdk: () => fuchsiaSdk,
       OperatingSystemUtils: () => osUtils,
diff --git a/packages/flutter_tools/test/general.shard/intellij/intellij_test.dart b/packages/flutter_tools/test/general.shard/intellij/intellij_test.dart
index 2130ed2..021f90a 100644
--- a/packages/flutter_tools/test/general.shard/intellij/intellij_test.dart
+++ b/packages/flutter_tools/test/general.shard/intellij/intellij_test.dart
@@ -69,7 +69,7 @@
         expect(message.message, contains('recommended minimum version'));
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
       });
 
       testUsingContext('not found', () async {
@@ -90,7 +90,7 @@
         expect(message.message, contains('Flutter plugin not installed'));
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
       });
     });
   });
diff --git a/packages/flutter_tools/test/general.shard/ios/devices_test.dart b/packages/flutter_tools/test/general.shard/ios/devices_test.dart
index 6b14009..ed515ad 100644
--- a/packages/flutter_tools/test/general.shard/ios/devices_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/devices_test.dart
@@ -807,7 +807,7 @@
     expect(IOSDevice('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
     Platform: () => macPlatform,
   });
   testUsingContext('IOSDevice.isSupportedForProject is true with editable host app', () async {
@@ -819,7 +819,7 @@
     expect(IOSDevice('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
     Platform: () => macPlatform,
   });
 
@@ -831,7 +831,7 @@
     expect(IOSDevice('test').isSupportedForProject(flutterProject), false);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
     Platform: () => macPlatform,
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/ios/simulators_test.dart b/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
index cdac3b8..6140bae 100644
--- a/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
+++ b/packages/flutter_tools/test/general.shard/ios/simulators_test.dart
@@ -486,7 +486,7 @@
     expect(IOSSimulator('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('IOSDevice.isSupportedForProject is true with editable host app', () async {
@@ -498,7 +498,7 @@
     expect(IOSSimulator('test').isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('IOSDevice.isSupportedForProject is false with no host app and no module', () async {
@@ -509,6 +509,6 @@
     expect(IOSSimulator('test').isSupportedForProject(flutterProject), false);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/linux/linux_device_test.dart b/packages/flutter_tools/test/general.shard/linux/linux_device_test.dart
index 4215498..cf3ff8f 100644
--- a/packages/flutter_tools/test/general.shard/linux/linux_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/linux/linux_device_test.dart
@@ -48,7 +48,7 @@
     expect(LinuxDevice().isSupportedForProject(flutterProject), true);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('LinuxDevice.isSupportedForProject is false with no host app', () async {
@@ -59,7 +59,7 @@
     expect(LinuxDevice().isSupportedForProject(flutterProject), false);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('LinuxDevice.executablePathForDevice uses the correct package executable', () async {
@@ -76,7 +76,7 @@
     expect(LinuxDevice().executablePathForDevice(mockApp, BuildMode.release), releasePath);
   }, overrides: <Type, Generator>{
     FileSystem: () => MemoryFileSystem(),
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 }
 
diff --git a/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart b/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
index 7f76b5a..9a36239 100644
--- a/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
+++ b/packages/flutter_tools/test/general.shard/macos/cocoapods_test.dart
@@ -179,7 +179,7 @@
       expect(projectUnderTest.ios.podfile.readAsStringSync(), 'Objective-C iOS podfile template');
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('creates swift Podfile if swift', () async {
@@ -195,7 +195,7 @@
       expect(projectUnderTest.ios.podfile.readAsStringSync(), 'Swift iOS podfile template');
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
     });
 
@@ -206,7 +206,7 @@
       expect(projectUnderTest.macos.podfile.readAsStringSync(), 'macOS podfile template');
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('does not recreate Podfile when already present', () async {
@@ -218,7 +218,7 @@
       expect(projectUnderTest.ios.podfile.readAsStringSync(), 'Existing Podfile');
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('does not create Podfile when we cannot interpret Xcode projects', () async {
@@ -230,7 +230,7 @@
       expect(projectUnderTest.ios.podfile.existsSync(), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
     });
 
@@ -256,7 +256,7 @@
       expect(releaseContents, contains('Existing release config'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -285,7 +285,7 @@
       expect(releaseContents, contains('Existing release config'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
diff --git a/packages/flutter_tools/test/general.shard/macos/macos_device_test.dart b/packages/flutter_tools/test/general.shard/macos/macos_device_test.dart
index 36f43ba..e065935 100644
--- a/packages/flutter_tools/test/general.shard/macos/macos_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/macos/macos_device_test.dart
@@ -56,7 +56,7 @@
       expect(MacOSDevice().isSupportedForProject(flutterProject), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('isSupportedForProject is false with no host app', () async {
@@ -67,7 +67,7 @@
       expect(MacOSDevice().isSupportedForProject(flutterProject), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('executablePathForDevice uses the correct package executable', () async {
@@ -84,7 +84,7 @@
       expect(MacOSDevice().executablePathForDevice(mockApp, BuildMode.release), releasePath);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/package_uri_mapper_test.dart b/packages/flutter_tools/test/general.shard/package_uri_mapper_test.dart
index 18516c0..675d188 100644
--- a/packages/flutter_tools/test/general.shard/package_uri_mapper_test.dart
+++ b/packages/flutter_tools/test/general.shard/package_uri_mapper_test.dart
@@ -40,7 +40,7 @@
         'package:example/main.dart');
   }, overrides: <Type, Generator>{
     FileSystem: () => mockFileSystem,
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('single-root maps file from other package to null', () async {
@@ -48,7 +48,7 @@
     expect(packageUriMapper.map('/xml/lib/xml.dart'), null);
   }, overrides: <Type, Generator>{
     FileSystem: () => mockFileSystem,
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('single-root maps non-main file from same package', () async {
@@ -57,7 +57,7 @@
         'package:example/src/foo.dart');
   }, overrides: <Type, Generator>{
     FileSystem: () => mockFileSystem,
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 
   testUsingContext('multi-root maps main file from same package on multiroot scheme', () async {
@@ -76,7 +76,7 @@
         'package:example/main.dart');
   }, overrides: <Type, Generator>{
     FileSystem: () => mockFileSystem,
-    ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+    ProcessManager: () => FakeProcessManager.any(),
   });
 }
 
diff --git a/packages/flutter_tools/test/general.shard/plugins_test.dart b/packages/flutter_tools/test/general.shard/plugins_test.dart
index 96216ed..7e40890 100644
--- a/packages/flutter_tools/test/general.shard/plugins_test.dart
+++ b/packages/flutter_tools/test/general.shard/plugins_test.dart
@@ -75,7 +75,7 @@
       expect(flutterProject.flutterPluginsFile.existsSync(), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Refreshing the plugin list deletes the plugin file when there were plugins but no longer are', () {
@@ -86,7 +86,7 @@
       expect(flutterProject.flutterPluginsFile.existsSync(), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Refreshing the plugin list creates a plugin directory when there are plugins', () {
@@ -97,7 +97,7 @@
       expect(flutterProject.flutterPluginsFile.existsSync(), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Changes to the plugin list invalidates the Cocoapod lockfiles', () {
@@ -111,7 +111,7 @@
       expect(macosProject.podManifestLock.existsSync(), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
@@ -167,7 +167,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
 
@@ -192,7 +192,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
 
@@ -288,7 +288,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
       XcodeProjectInterpreter: () => xcodeProjectInterpreter,
     });
@@ -314,7 +314,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
 
@@ -339,7 +339,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
 
@@ -364,7 +364,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
 
@@ -389,7 +389,7 @@
       expect(registrant.readAsStringSync(), contains('class GeneratedPluginRegistrant'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       FeatureFlags: () => featureFlags,
     });
   });
diff --git a/packages/flutter_tools/test/general.shard/project_file_invalidator_test.dart b/packages/flutter_tools/test/general.shard/project_file_invalidator_test.dart
index 27e69b8..c723bdf 100644
--- a/packages/flutter_tools/test/general.shard/project_file_invalidator_test.dart
+++ b/packages/flutter_tools/test/general.shard/project_file_invalidator_test.dart
@@ -36,7 +36,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('Non-existent files are ignored', () async {
@@ -50,7 +50,7 @@
       );
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }
diff --git a/packages/flutter_tools/test/general.shard/project_test.dart b/packages/flutter_tools/test/general.shard/project_test.dart
index 4a250a7..177d936 100644
--- a/packages/flutter_tools/test/general.shard/project_test.dart
+++ b/packages/flutter_tools/test/general.shard/project_test.dart
@@ -196,7 +196,7 @@
         expectExists(project.macos.managedDirectory.childFile('GeneratedPluginRegistrant.swift'));
       }, overrides: <Type, Generator>{
         FileSystem: () => MemoryFileSystem(),
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         FeatureFlags: () => TestFeatureFlags(isMacOSEnabled: true),
         FlutterProjectFactory: () => FlutterProjectFactory(),
       });
@@ -207,7 +207,7 @@
         expectExists(project.macos.generatedXcodePropertiesFile);
       }, overrides: <Type, Generator>{
         FileSystem: () => MemoryFileSystem(),
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         FeatureFlags: () => TestFeatureFlags(isMacOSEnabled: true),
         FlutterProjectFactory: () => FlutterProjectFactory(),
       });
@@ -219,7 +219,7 @@
         expectExists(project.linux.managedDirectory.childFile('generated_plugin_registrant.cc'));
       }, overrides: <Type, Generator>{
         FileSystem: () => MemoryFileSystem(),
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         FeatureFlags: () => TestFeatureFlags(isLinuxEnabled: true),
         FlutterProjectFactory: () => FlutterProjectFactory(),
       });
@@ -231,7 +231,7 @@
         expectExists(project.windows.managedDirectory.childFile('generated_plugin_registrant.cc'));
       }, overrides: <Type, Generator>{
         FileSystem: () => MemoryFileSystem(),
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         FeatureFlags: () => TestFeatureFlags(isWindowsEnabled: true),
         FlutterProjectFactory: () => FlutterProjectFactory(),
       });
@@ -328,7 +328,7 @@
         expect(project.android.isKotlin, isTrue);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
         FlutterProjectFactory: () => flutterProjectFactory,
       });
@@ -349,7 +349,7 @@
       void testWithMocks(String description, Future<void> testMethod()) {
         testUsingContext(description, testMethod, overrides: <Type, Generator>{
           FileSystem: () => fs,
-          ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+          ProcessManager: () => FakeProcessManager.any(),
           PlistParser: () => mockPlistUtils,
           XcodeProjectInterpreter: () => mockXcodeProjectInterpreter,
           FlutterProjectFactory: () => flutterProjectFactory,
@@ -617,7 +617,7 @@
     testMethod,
     overrides: <Type, Generator>{
       FileSystem: () => testFileSystem,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Cache: () => Cache(),
       FlutterProjectFactory: () => flutterProjectFactory,
     },
diff --git 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
index 3d821eb..92fa47b 100644
--- 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
@@ -67,7 +67,7 @@
         expect(versionChecked, isTrue);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
 
@@ -79,7 +79,7 @@
 
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
 
@@ -95,7 +95,7 @@
         await runner.run(<String>['dummy', '--local-engine=ios_debug']);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
 
@@ -105,7 +105,7 @@
         await runner.run(<String>['dummy', '--local-engine-src-path=$_kArbitraryEngineRoot/src', '--local-engine=ios_debug']);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
 
@@ -115,7 +115,7 @@
         await runner.run(<String>['dummy', '--local-engine=ios_debug']);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
     });
@@ -130,7 +130,7 @@
 
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Platform: () => platform,
     }, initializeFlutterRoot: false);
 
@@ -188,7 +188,7 @@
         ]);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Platform: () => platform,
       }, initializeFlutterRoot: false);
     });
@@ -201,7 +201,7 @@
         expect(fakeCommand.preferences.wrapText, isTrue);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Stdio: () => FakeStdio(hasFakeTerminal: true),
       }, initializeFlutterRoot: false);
 
@@ -212,7 +212,7 @@
         expect(fakeCommand.preferences.wrapText, isFalse);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Stdio: () => FakeStdio(hasFakeTerminal: false),
       }, initializeFlutterRoot: false);
 
@@ -223,7 +223,7 @@
         expect(fakeCommand.preferences.wrapText, isFalse);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Stdio: () => FakeStdio(hasFakeTerminal: true),
       }, initializeFlutterRoot: false);
 
@@ -234,7 +234,7 @@
         expect(fakeCommand.preferences.wrapText, isTrue);
       }, overrides: <Type, Generator>{
         FileSystem: () => fs,
-        ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+        ProcessManager: () => FakeProcessManager.any(),
         Stdio: () => FakeStdio(hasFakeTerminal: false),
       }, initializeFlutterRoot: false);
     });
diff --git a/packages/flutter_tools/test/general.shard/runner/runner_test.dart b/packages/flutter_tools/test/general.shard/runner/runner_test.dart
index b9a0b87..db0be9e 100644
--- a/packages/flutter_tools/test/general.shard/runner/runner_test.dart
+++ b/packages/flutter_tools/test/general.shard/runner/runner_test.dart
@@ -71,7 +71,7 @@
         'FLUTTER_ROOT': '/',
       }),
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
       Usage: () => CrashingUsage(),
     });
   });
diff --git a/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart b/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
index fa6a4f0..0ab4cea 100644
--- a/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
+++ b/packages/flutter_tools/test/general.shard/tester/flutter_tester_test.dart
@@ -37,7 +37,7 @@
       expect(app.packagesFile.path, fs.path.join(projectPath, '.packages'));
     }, overrides: <Type, Generator>{
       FileSystem: () => fs,
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 
diff --git a/packages/flutter_tools/test/general.shard/windows/windows_device_test.dart b/packages/flutter_tools/test/general.shard/windows/windows_device_test.dart
index 236b723..3319326 100644
--- a/packages/flutter_tools/test/general.shard/windows/windows_device_test.dart
+++ b/packages/flutter_tools/test/general.shard/windows/windows_device_test.dart
@@ -49,7 +49,7 @@
       expect(WindowsDevice().isSupportedForProject(flutterProject), true);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('isSupportedForProject is false with no host app', () async {
@@ -60,7 +60,7 @@
       expect(WindowsDevice().isSupportedForProject(flutterProject), false);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
 
     testUsingContext('executablePathForDevice uses the correct package executable', () async {
@@ -77,7 +77,7 @@
       expect(WindowsDevice().executablePathForDevice(mockApp, BuildMode.release), releasePath);
     }, overrides: <Type, Generator>{
       FileSystem: () => MemoryFileSystem(),
-      ProcessManager: () => FakeProcessManager(<FakeCommand>[]),
+      ProcessManager: () => FakeProcessManager.any(),
     });
   });
 }