def METHOD_NAME(self):
    response = vizier.core.Vizier.query_region_async(
        scalar_skycoord, radius=0.5 * u.deg, catalog="HIP", frame="galactic")
    assert response is not None
    payload = vizier.core.Vizier.query_region_async(
        scalar_skycoord, radius=0.5 * u.deg, catalog="HIP",
        frame="galactic", get_query_payload=True)
    assert "-c=G" in payload