public void SaveTestExistingChangeUpdatedBy() { // Arrange var user = new UserRepository(context).FindByEmail("*****@*****.**"); var notificationType = notificationTypeRepository.FindById(2); var original = notificationType.UpdatedBy; notificationType.UpdatedBy = user; // Act var result = notificationTypeRepository.Save(notificationType); // Assert Assert.AreEqual(user, result.UpdatedBy); // Tear Down notificationType.UpdatedBy = original; notificationTypeRepository.Save(notificationType); }