public void CheckIfAnimalFitsWorksProperlyTest2() { //Arrange var animal1 = new Animal("LH", Enums.Size.Large, Enums.Diet.Herbivore); var animal2 = new Animal("MH", Enums.Size.Medium, Enums.Diet.Herbivore); var animal3 = new Animal("SH", Enums.Size.Small, Enums.Diet.Herbivore); var cart = new Cart(animal3); //Act cart.AddAnimalToCart(animal2); //Assert Assert.IsTrue(cart.AnimalFits(animal1)); foreach (var animal in cart.GetAnimals()) { Console.WriteLine(animal.ToString()); } }