public void setUp()
        {
            sampleUsers = new List<User>();
            sampleUsers.Add(new User {Name = "Al", Balance = 1.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Beth", Balance = 2.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Carl", Balance = 3.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Dana", Balance = 4.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Ed", Balance = 5.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Fara", Balance = 6.0, Password = "******"});
            sampleUsers.Add(new User {Name = "Carl", Balance = 3.0, Password = "******"});
            sampleUsers.Add(new User { Name = "Beth", Balance = 2.0, Password = "******" });

            ui = new FakeUserInterface();
        }
        public void setUp()
        {
            sampleProducts = new List<Product>();
            sampleProducts.Add(new Product { Name = "Apple", Price = 1.0, Quantity = 1 });
            sampleProducts.Add(new Product { Name = "Banana", Price = 2.0, Quantity = 2 });
            sampleProducts.Add(new Product { Name = "Cookies", Price = 3.0, Quantity = 3 });
            sampleProducts.Add(new Product { Name = "Donut", Price = 4.0, Quantity = 4 });
            sampleProducts.Add(new Product { Name = "Eclair", Price = 5.0, Quantity = 5 });
            sampleProducts.Add(new Product { Name = "Frozen Yogurt", Price = 6.0, Quantity = 6 });
            sampleProducts.Add(new Product { Name = "Gelato", Price = 7.0, Quantity = 7 });
            sampleProducts.Add(new Product { Name = "Ham", Price = 8.0, Quantity = 8 });
            sampleProducts.Add(new Product { Name = "Icing", Price = 9.0, Quantity = 9 });

            ui = new FakeUserInterface();
        }