public void SetUp()
{
logger = Substitute.For<Logger>();
shoppingConsole = Substitute.For<ShoppingConsole>();
shoppingCartViewModel = new ShoppingCartViewModel(logger);
shoppingCart = new ShoppingCart(shoppingCartViewModel, shoppingConsole);
}
static void Main(string[] args)
{
var viewModel = new ShoppingCartViewModel(new Logger());
var shoppingCart = new ShoppingCart(viewModel, new ShoppingConsole());
viewModel.AddProduct(new Product("SmartPhone"));
viewModel.AddProduct(new Product("Computer"));
viewModel.AddProduct(new Product("HeadPhones"));
viewModel.AddProduct(new Product("Keyboard"));
viewModel.AddProduct(new Product("Screen"));
}