MessageExchangeFactory factory = channel.createExchangeFactoryForService(new QName("service"));
InOut me = factory.createInOutExchange();
NormalizedMessage nm = me.createMessage();
nm.setContent(new StringSource("<request/>"));
me.setInMessage(nm);
channel.sendSync(me);
assertEquals(ExchangeStatus.ACTIVE, me.getStatus());
me.setStatus(ExchangeStatus.DONE);
channel.send(me);
}