Class<?> clazz = TestUtils.readField("serviceImpl", fb);
assertThat(clazz.getCanonicalName(), is("org.springframework.yarn.integration.ip.mind.TestService"));
assertThat(TestUtils.readField("messageChannel", fb), instanceOf(DirectChannel.class));
assertThat(TestUtils.readField("appmasterService", fb), instanceOf(TestService.class));
TestService service = (TestService) ctx.getBean("yarnAmservice");
assertNotNull(service);
assertThat(TestUtils.readField("messageChannel", service), instanceOf(DirectChannel.class));
testSocketSupport(service, fb);
}