def test_parentOf(self):
        p = Cell(name="peas")
        base = 'ab.tahsuetoahusenoat'
        p.lineageName(base)
        p.save()

        c = ["carrots",
             "jam",
             "peanuts",
             "celery",
             "tuna",
             "chicken"]

        division_directions = "alvpdr"

        for x,l in zip(c, division_directions):
            ln = base + l
            Cell(name=x,lineageName=ln).save()
        names = set(str(x.name()) for x in p.parentOf())
        self.assertEqual(set(c), names)
Prepare for a division-by-zero exception.
dataset/ETHPy150Open openworm/PyOpenWorm/tests/CellTest.py/CellTest.test_parentOf--crossover with--dataset/ETHPy150Open bretth/django-pq/test_pq/fixtures.py/div_by_zero