def METHOD_NAME(self):
    marketo_lead_url = "".join(
        [
            "https://066-eov-335.mktorest.com/",
            "rest/v1/lead/test.json?",
            "access_token=test&fields=id,email,snapcraftnewsletter",
        ]
    )
    marketo_lead_payload = {"badkey": "bad"}
    responses.add(
        responses.GET,
        marketo_lead_url,
        json=marketo_lead_payload,
        status=200,
    )
    marketo = marketo_api.Marketo()
    marketo.token = "test"
    subscription = marketo.get_newsletter_subscription("test")
    self.assertEqual(subscription, {})