public async void Update() { var mock = new ServiceMockFacade <ILessonStatusRepository>(); var model = new ApiLessonStatusRequestModel(); mock.RepositoryMock.Setup(x => x.Create(It.IsAny <LessonStatus>())).Returns(Task.FromResult(new LessonStatus())); mock.RepositoryMock.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult(new LessonStatus())); var service = new LessonStatusService(mock.LoggerMock.Object, mock.RepositoryMock.Object, mock.ModelValidatorMockFactory.LessonStatusModelValidatorMock.Object, mock.BOLMapperMockFactory.BOLLessonStatusMapperMock, mock.DALMapperMockFactory.DALLessonStatusMapperMock, mock.BOLMapperMockFactory.BOLLessonMapperMock, mock.DALMapperMockFactory.DALLessonMapperMock); UpdateResponse <ApiLessonStatusResponseModel> response = await service.Update(default(int), model); response.Should().NotBeNull(); mock.ModelValidatorMockFactory.LessonStatusModelValidatorMock.Verify(x => x.ValidateUpdateAsync(It.IsAny <int>(), It.IsAny <ApiLessonStatusRequestModel>())); mock.RepositoryMock.Verify(x => x.Update(It.IsAny <LessonStatus>())); }