public async Task CheckoutShouldReturn404NotFound()
{
var basketServiceMock = new Mock <IBasketService>(MockBehavior.Strict);
basketServiceMock.Setup(service => service.Exists(null)).ReturnsAsync(false);
var productServiceMock = new Mock <IProductService>(MockBehavior.Strict);
var controller = new BasketsController(basketServiceMock.Object, productServiceMock.Object);
var result = await controller.Checkout(null, new MoneyDataContract());
Assert.IsType <NotFoundResult>(result);
basketServiceMock.Verify(service => service.Exists(null), Times.Once);
basketServiceMock.VerifyAll();
}