'Doesn\'t return helpful votes within range'

def test_old_articles_helpful(self):

    r = _make_backdated_revision(90)
    for x in range(0, 4):
        _add_vote_in_past(r, 1, 10)
    _add_vote_in_past(r, 0, 10)
    result = _get_old_unhelpful()
    eq_(0, len(result))
