public void ShouldRemoveItemsFromTheBasket()
        {
            //use mock
            var item1 = new Item { ProductName = "Butter", PriceOfProduct = "3", NoOfProducts = 2, ItemCreatedDate = new DateTime(2013, 09, 18), ItemExpiryDate = new DateTime(2013, 09, 21) };
            var item2 = new Item { ProductName = "Milk", PriceOfProduct = "2", NoOfProducts = 2, ItemCreatedDate = new DateTime(2013, 09, 18), ItemExpiryDate = new DateTime(2013, 09, 21) };
            var basket = new Basket();

            basket.AddItemsToTheBasket(item1);
            basket.AddItemsToTheBasket(item2);

            IList<Item> itemsFormTheBasket = basket.RemoveItemsFormTheBasket(item1);

            Assert.That(itemsFormTheBasket.Count, Is.EqualTo(1));
        }