public async Task GetPhotoByIdAndAnyPhotoColumnNameShouldReturnNotFound()
        {
            // Arrange
            var    id        = 45;
            string coldwater = "coldwater";

            //  hotwater, gas, energy, heat;



            mockRepo.Setup(x => x.Photo).Returns(_photoRepoMock.Object);
            _photoRepoMock.Setup(x => x.GetPhotoByIdOneColumn(id, coldwater)).ReturnsAsync(() => null);

            // Act
            var result = await _sut.GetPhotoByIdAndAnyPhotoColumnName(id, coldwater);

            // Assert
            Assert.IsType <NotFoundResult>(result);
            Assert.IsNotType <OkObjectResult>(result);
        }