public void ShouldCheckOutTheSelectedItemsFromTheBasket()
{
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) };
IBasket basket = new Basket();
basket.AddItemsToTheBasket(item1);
basket.AddItemsToTheBasket(item2);
var checkout = new Checkout(basket);
IList<Item> itemsForCheckout = checkout.ItemsSelectedForCheckOut().ToList();
Assert.That(itemsForCheckout.Count, Is.EqualTo(2));
}