public void TestInsufficiencyNotification() { Refrigerator refrigerator = new Refrigerator(); Tomato tomato = new Tomato(); refrigerator.AddVegetable(tomato, 20); refrigerator.SetMinimumQuantity(tomato, 8); refrigerator.TakeOutVegetable(tomato, 15); Assert.Equal("Sent notification to refrigerator", refrigerator.SendNotification()); }