def METHOD_NAME():
    facility = Facility.objects.create()
    create_superuser(facility)
    user1 = FacilityUser.objects.create(username="buster.0", facility=facility)
    user2 = FacilityUser.objects.create(username="buster.1", facility=facility)
    user_ids = list(_learner_ids())
    assert user1.pk in user_ids
    assert user2.pk in user_ids