public void DeleteReservationTest()
 {
     TestEnvironmentHelper.InitializeTestData();
     AutoReservationBusinessComponent autoReservation = new AutoReservationBusinessComponent();
     int count = autoReservation.GetReservationen().Count;
     Reservation delete = autoReservation.GetReservationen()[0];
     int nr = delete.ReservationNr;
     autoReservation.DeleteReservation(delete);
     Assert.AreEqual(count - 1, autoReservation.GetReservationen().Count);
     Assert.IsNull(autoReservation.GetReservation(nr));
 }