def METHOD_NAME(self):
    xml_response = f"{self._resp_issuer_none}"
    resp = response_factory(
        xml_response,
        self.conf,
        return_addrs=["http://lingon.catalogix.se:8087/"],
        outstanding_queries={"id12": "http://localhost:8088/sso"},
        timeslack=TIMESLACK,
        decode=False,
    )
    assert isinstance(resp, StatusResponse)
    assert isinstance(resp, AuthnResponse)
    assert resp.issuer() == ""