public void DeleteTripShouldRemoveTrip()
{
TripController controller = new TripController(repo);
controller.DeleteTrip(trip2);
ViewResult result = controller.Trips() as ViewResult;
Assert.IsNotNull(result);
IEnumerable<Trip> model = result.Model as IEnumerable<Trip>;
Assert.AreEqual(1, model.Count());
Assert.IsFalse(model.Contains(trip2));
}