public async void Delete()
        {
            var mock  = new ServiceMockFacade <IIllustrationRepository>();
            var model = new ApiIllustrationRequestModel();

            mock.RepositoryMock.Setup(x => x.Delete(It.IsAny <int>())).Returns(Task.CompletedTask);
            var service = new IllustrationService(mock.LoggerMock.Object,
                                                  mock.RepositoryMock.Object,
                                                  mock.ModelValidatorMockFactory.IllustrationModelValidatorMock.Object,
                                                  mock.BOLMapperMockFactory.BOLIllustrationMapperMock,
                                                  mock.DALMapperMockFactory.DALIllustrationMapperMock);

            ActionResponse response = await service.Delete(default(int));

            response.Should().NotBeNull();
            mock.RepositoryMock.Verify(x => x.Delete(It.IsAny <int>()));
            mock.ModelValidatorMockFactory.IllustrationModelValidatorMock.Verify(x => x.ValidateDeleteAsync(It.IsAny <int>()));
        }