def METHOD_NAME(self):
    client = Client()
    url = reverse("oidc_provider_introspection_endpoint")
    request = {
        "client_assertion" : self.ca_jws,
        "client_assertion_type" : "urn:ietf:params:oauth:client-assertion-type:jwt-bearer",
        "client_id" : self.RP_SUB,
        "token" : self.jwt_token
    }
    res = client.post(url, request)
    self.assertTrue(res.status_code == 200)
    self.assertTrue("openid" in res.content.decode())