def METHOD_NAME(comms):
    """Test if the requests are being replied to."""
    kernel_comm, frontend_comm = comms
    def handler(a, b):
        return a + b
    kernel_comm.register_call_handler('test_request', handler)
    res = frontend_comm.remote_call(blocking=True).METHOD_NAME('a', b='b')
    assert res == 'ab'