anchor.diff:  import 'package:flutter_tools/src/migrations/cmake_custom_command_migration.dart';
   import 'package:flutter_tools/src/project.dart';
   import 'package:meta/meta.dart';
  -import 'package:mockito/mockito.dart';
  +import 'package:test/fake.dart';
   
   import '../../src/common.dart';
   
  
positive.code:     group('migrate add_custom_command() to use VERBATIM', () {
        MemoryFileSystem memoryFileSystem;
        BufferLogger testLogger;
        MockCmakeProject mockCmakeProject;
        File managedCmakeFile;
  
        setUp(() {
  
negative.code:   });
  }
  
  class FakeCmakeProject extends Fake implements CmakeBasedProject {
    FakeCmakeProject(this.managedCmakeFile);
  
    @override
    final File managedCmakeFile;
  }
  
  class FakeCmakeMigrator extends ProjectMigrator {
    FakeCmakeMigrator({@required this.succeeds})
  