org.apache.handlers.types.AddNumbers req = new org.apache.handlers.types.AddNumbers();
req.setArg0(10);
req.setArg1(20);
ObjectFactory factory = new ObjectFactory();
JAXBElement<org.apache.handlers.types.AddNumbers> e = factory.createAddNumbers(req);
JAXBElement<?> response = (JAXBElement<?>)disp.invoke(e);
assertNotNull(response);
AddNumbersResponse value = (AddNumbersResponse)response.getValue();
assertEquals(200, value.getReturn());