public void TestGetAllPhoto()
{
IEnumerable <Photo> ienumablePhoto = new List <Photo>()
{
photo
};
mockPhotoRepository.Setup(x => x.GetAll(It.IsAny <string>())).Returns(ienumablePhoto);
var photoService = new PhotoService(mockPhotoRepository.Object);
IEnumerable <Photo> ienumablePhotoReturn = photoService.GetAllPhoto("5d0b233b1a0a4200017de6c9");
Photo photoActual = ienumablePhotoReturn.FirstOrDefault();
Assert.AreEqual(photoActual, photo);
}