'Ensure max_id offset works.'

def test_max_id(self):

    tweets_1 = _get_tweets()
    assert tweets_1
    max_id = tweets_1[3]['id']
    tweets_2 = _get_tweets(max_id=max_id)
    assert tweets_2
    for t in tweets_2:
        assert (t['id'] < max_id)
