def METHOD_NAME():
    """
    Test empty configuration
    """
    config = [
        {
            "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
            "twilio_number": "+15555555555",
        }
    ]
    ret = twilio_txt_msg.validate(config)
    assert ret == (
        False,
        "Configuration for twilio_txt_msg "
        "beacon must contain account_sid, "
        "auth_token and twilio_number items.",
    )