public void DeleteAutoTest() { TestEnvironmentHelper.InitializeTestData(); AutoReservationBusinessComponent autoReservation = new AutoReservationBusinessComponent(); int count = autoReservation.GetAutos().Count; Auto delete = autoReservation.GetAutos()[0]; int id = delete.Id; autoReservation.DeleteAuto(delete); Assert.AreEqual(count - 1, autoReservation.GetAutos().Count); Assert.IsNull(autoReservation.GetAuto(id)); }