def METHOD_NAME(self):
    # business unit with unknown key will be attached to know meta business unit with same name
    name = get_random_string(12)
    business_unit1, _ = BusinessUnit.objects.commit({
        "name": name,
        "reference": get_random_string(12),
        "source": {
            "module": "io.zentral.tests",
            "name": "test"
        }
    })
    business_unit2, _ = BusinessUnit.objects.commit({
        "name": name,
        "reference": get_random_string(12),
        "source": {
            "module": "io.zentral.tests2",
            "name": "test2"
        }
    })
    self.assertEqual(business_unit1.meta_business_unit, business_unit2.meta_business_unit)
    self.assertEqual(business_unit1.meta_business_unit.name, business_unit1.name)