public void UpdateItemQuantityTest()
        {

            ShoppingCartRepository repository = new ShoppingCartRepository();

            int quantity = 4;

            repository.UpdateLineQuantity(1, quantity);

            ShoppingCart shoppingCart = repository.GetShoppingCart(1);

            Assert.IsNotNull(shoppingCart);
        }
        public void GetShoppingCartTest()
        {
            ShoppingCartRepository repository = new ShoppingCartRepository();

            ShoppingCart cart = repository.GetShoppingCart(20);

            Assert.IsNotNull(cart);
        }