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);
}