final QName TEST_SERVICE = new QName("urn:test", "SCAInvokerTest");
ServiceReference reference = _domain.createInOnlyService(TEST_SERVICE, _provider);
MockExchange ex = new MockExchange();
Message msg = ex.createMessage().setContent("TEST");
ex.setMessage(msg);
ex.consumer(reference, new InOnlyOperation("Test"));
ex.provider(_domain.getServices().get(0), new InOnlyOperation("Test"));
invoker.handleMessage(ex);
Assert.assertTrue(_provider.getMessages().size() == 1);
Assert.assertEquals(msg.getContent(), _provider.getMessages().poll().getMessage().getContent());