def METHOD_NAME(buffer_connection):
    from moler.cmd.unix import iperf
    buffer_connection.remote_inject_response([iperf.COMMAND_OUTPUT_bidirectional_udp_client])
    iperf_cmd = iperf.Iperf(connection=buffer_connection.moler_connection,
                            **iperf.COMMAND_KWARGS_bidirectional_udp_client)
    res = iperf_cmd()
    assert res == iperf.COMMAND_RESULT_bidirectional_udp_client