def METHOD_NAME(self):
    """
    Saving a new thread that already has a created date should respect
    that created date.
    """
    created = datetime.datetime(1992, 1, 12, 9, 48, 23)
    t = self.doc.thread_set.create(title="foo", creator=self.user, created=created)
    t.save()
    self.assertEqual(created, t.created)