@Test
public void acceptValidOffer() throws Exception {
Car car = new Car();
car.setPrice(500.00);
Application app = new Application();
app.setCreditScore(650);
Offer offer = new Offer();
offer.setCar(car);
offer.setApplication(app);
offer.setAmount(450.00);
// configure our proxy for the service reference
testKit.replaceService("DealLogger");
MockHandler creditService = testKit.replaceService("CreditCheckService");
Application reply = new Application();
reply.setApproved(true);
creditService.replyWithOut(reply);
// Invoke the service
Deal deal = service.operation("offer").sendInOut(offer)
.getContent(Deal.class);