public void Pet_Perform_Oil()
        {
            // Combine tests, put wear verify oil levels change then give oil and recheck

            int Level = testPet.LevelOil;

            testPet.Tick();

            Assert.True(Level > testPet.LevelOil);
            testPet.GiveOil();


            Assert.True(Level <= testPet.LevelOil);
        }