def add_watchers(decision):
    users = UserFactory.create_batch(size=3, email="*****@*****.**")
    for user in users:
        notice_type = NoticeTypeFactory()
        decision.watchers.add(
            ObservedItemFactory(added=datetime.now(utc),
                                user=user,
                                observed_object=decision,
                                notice_type=notice_type))
    return decision