def METHOD_NAME(self):
    router = SiloRouter()
    assert "default" == router.db_for_read(Organization)
    assert "default" == router.db_for_read(User)
    assert "default" == router.db_for_write(Organization)
    assert "default" == router.db_for_write(User)
    assert router.allow_migrate("default", "sentry", Organization)
    assert router.allow_migrate("default", "sentry", User)