def METHOD_NAME(self, env, result):
    """
    Client requests conversion to the same currency.
    No downstream is involved as no rate is needed.
    """
    request = "EUR:EUR:2000"
    expect = "2000"
    result.log("Client request: {}".format(request))
    env.client.send(msg_to_bytes(request))
    # Client receives response.
    result.equal(
        int(expect),
        int(bytes_to_msg(env.client.receive(size=1024))),
        "Client received converted value.",
    )