Migrate `mockito` mocks to `typed_mock` (#24994).

pkg/analyzer_cli/test/options_test.dart

Index: pkg/analyzer_cli/test/options_test.dart
diff --git a/pkg/analyzer_cli/test/options_test.dart b/pkg/analyzer_cli/test/options_test.dart
index c1c8bc454233e9c8981779fdb50d5dca24045ebf..900747befb4b4d0b4d00ab79fbe35686f1a0a5e7 100644
--- a/pkg/analyzer_cli/test/options_test.dart
+++ b/pkg/analyzer_cli/test/options_test.dart
@@ -2,12 +2,11 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@TestOn("vm")
 library analyzer_cli.test.options;
 
 import 'package:analyzer_cli/src/options.dart';
 import 'package:args/args.dart';
-import 'package:test/test.dart';
+import 'package:unittest/unittest.dart';
 
 main() {
   group('CommandLineOptions', () {