def METHOD_NAME(prefix, rf, staff_user):
    with freeze_time("2019-03-18 12:00:00"):
        access_token = create_access_token(staff_user)
    request = rf.request(HTTP_AUTHORIZATION=f"{prefix} {access_token}")
    backend = JSONWebTokenBackend()
    with pytest.raises(ExpiredSignatureError):
        backend.authenticate(request)