public void GetAllAlbumsListTest()
        {
            //Setup
            Mock <IDataContext> mock = new Mock <IDataContext>();

            mock.Setup(context => context.Albums).Returns(GetAlbumsList());
            AlbumsController albumsController = new AlbumsController(mock.Object);

            //Action
            IActionResult result = albumsController.GetAll();

            //Assert
            var status = Assert.IsType <OkObjectResult>(result);
            var model  = Assert.IsAssignableFrom <IEnumerable <AlbumModel> >(status.Value);

            Assert.Equal(GetAlbumsList().Count(), model.Count());
        }