public void test_index()
        {
            var controller = new CheckoutController(new OrderBLL(new OrderStub()), new ShoppingCartBLL(new ShoppingCartStub()));

            var result = (ViewResult)controller.Index();

            Assert.AreEqual(result.ViewName, "Error");
        }
        public void test_addressandpayment()
        {
            var controller = new CheckoutController(new OrderBLL(new OrderStub()), new ShoppingCartBLL(new ShoppingCartStub()));

            var result = (ViewResult)controller.AddressAndPayment();

            Assert.AreEqual(result.ViewName, "");
        }