def METHOD_NAME(
        user_factory, document_factory, paragraph_factory, comment_factory):
    user = user_factory()
    user2 = user_factory()
    document = document_factory(creator=user)
    paragraph = paragraph_factory(document=document)
    comment_factory(content_object=paragraph, creator=user2)
    action_count = Action.objects.all().count()
    assert action_count == 1
    assert len(mail.outbox) == 1
    assert 'A Comment was added to your paragraph' in mail.outbox[0].subject