public void GetIngredientsByPizzaId()
        {
            // Arrange
            GreatPIzzaController controller = new GreatPIzzaController();

            // Act
            string result = controller.GetIngredientsByPizzaId(1);

            // Assert
            Assert.AreEqual("1,2", result);
        }
        public void getPizzas()
        {
            // Arrange
            GreatPIzzaController controller = new GreatPIzzaController();

            // Act
            IEnumerable <Pizza> result = controller.getPizzas();

            // Assert
            Assert.IsNotNull(result);
            Assert.AreEqual(4, result.Count());
        }