List<Interceptor> stackInterceptors = new ArrayList<Interceptor>();
stackInterceptors.add(new TestInterceptor(INTERCEPTOR_TWO));
stackInterceptors.add(new TestInterceptor(INTERCEPTOR_THREE));
interceptors.add(new InterceptorStack(stackInterceptors));
component.setInterceptors(interceptors);
service.initialise();
service.start();
MuleEvent result = component.process(getTestEvent(""));
assertEquals(MULTIPLE_INTERCEPTOR_RESULT, result.getMessageAsString());