def test_create_person_identifier_link_unauthorized(self):
        data = {
            "url": "http://twitter.com/sinarproject"
        }
        response = self.client.post(
            "/en/persons/8497ba86-7485-42d2-9596-2ab14520f1f4/identifiers/af7c01b5-1c4f-4c08-9174-3de5ff270bdb/links/",
            data
        )
        self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)