public async Task add_item_returns_an_object_result()
        {
            // Arrange
            var mockRepo = new Mock <BasketRepository>();

            mockRepo.Setup(m =>
                           m.AddItemsToBasket(It.IsAny <long>(), It.IsAny <List <BasketItemDto> >())).Returns(Task.FromResult(It.IsAny <Basket>()));
            var controller = new BasketController(mockRepo.Object);


            // Act
            var result = await controller.AddItems(It.IsAny <long>(), It.IsAny <List <BasketItemDto> >());

            // Assert
            Assert.IsType <ObjectResult>(result);
        }