Dispatch<String> dispatch = service.createDispatch(portQName, String.class, Service.Mode.PAYLOAD);
assertNotNull(dispatch);
AsyncHandler asyncHandler = new TestAsyncHandler();
Future<?> future = dispatch.invokeAsync(echoBodyContent_PAYLOAD, asyncHandler);
TestClientInvocationController testController = getInvocationController();
InvocationContext ic = testController.getInvocationContext();
MessageContext requestMC = ic.getRequestMessageContext();
OperationDescription opDesc = requestMC.getOperationDescription();
assertNotNull("OpDesc from request MC should not be null", opDesc);
// Make sure we get the correct Operation Description