def METHOD_NAME(vote, vote_on_other, other_vote_factory):
    with pytest.raises(ValidationError) as error:
        other_vote_factory(vote=vote)
    assert (
        error.value.messages[0]
        == 'Other vote can only be created for vote on "other" choice.'
    )
    other_vote_factory(vote=vote_on_other)
    assert vote_on_other.is_other_vote