def METHOD_NAME(self):
    """Ordering food updates the notification users."""
    food_event = FoodEvent.objects.create(
        event=self.event,
        send_notification=True,
        start=self.time + timezone.timedelta(days=1),
        end=self.time + timezone.timedelta(days=2),
    )
    self.assertIsNotNone(food_event.end_reminder)
    self.assertIn(self.member, food_event.end_reminder.users.all())
    order = FoodOrder.objects.create(
        food_event=food_event, member=self.member, product=self.product
    )
    self.assertNotIn(self.member, food_event.end_reminder.users.all())
    order.delete()
    self.assertIn(self.member, food_event.end_reminder.users.all())