def METHOD_NAME(self):
    update_area(self.area1)
    added_links = self.session.query(AreaAssociation). \
        filter(AreaAssociation.area_id == self.area1.document_id).all()
    self.assertEqual(len(added_links), 1)
    self.assertEqual(
        added_links[0].document_id, self.waypoint1.document_id)