def METHOD_NAME(client, differences_data):
    resp = client.get(URL.format(code="001", filter="?fiscal_year=2020&fiscal_period=2"))
    assert resp.status_code == status.HTTP_200_OK
    assert resp.data["page_metadata"] == {
        "page": 1,
        "next": None,
        "previous": None,
        "hasNext": False,
        "hasPrevious": False,
        "total": 0,
        "limit": 10,
    }
    assert resp.data["results"] == []