public void Can_Check_And_Add_Animal_To_Wagon_And_SpaceLeft_Lowers() { Animal animal = new Animal(AnimalSize.Large, AnimalType.Carnivore); int expectedSpaceLeft = wagon.MaxSpace - (int)animal.AnimalSize; bool canAdd = wagon.CheckAnimalAndAddToWagon(animal); Assert.AreEqual(expectedSpaceLeft, wagon.SpacesLeft); Assert.AreEqual(true, canAdd); }