anchor.diff:  
       expect(IOSSimulator('test').isSupportedForProject(flutterProject), true);
     }, overrides: <Type, Generator>{
  -    FileSystem: () => MemoryFileSystem(),
       ProcessManager: () => FakeProcessManager.any(),
  +    FileSystem: () => fileSystem,
     });
   
     testUsingContext('IOSDevice.isSupportedForProject is false with no host app and no module', () async {
  
positive.code:     });
    }, overrides: <Type, Generator>{
      BuildSystem: () => MockBuildSystem(),
    });
  
    group('Simulator screenshot', () {
  
negative.code:     },
      overrides: <Type, Generator>{
        ProcessManager: () => mockProcessManager,
        FileSystem: () => fileSystem,
      });
    });
  
  