@Autowired ApplicationContext ctx;
@Test
public void testGatewayHubFactoryBean() throws Exception {
GatewayHubFactoryBean gwhfb = ctx.getBean("&gateway-hub", GatewayHubFactoryBean.class);
List<GatewayProxy> gateways = TestUtils.readField("gateways", gwhfb);
assertNotNull(gateways);
assertEquals(2, gateways.size());
GatewayProxy gwp = gateways.get(0);
assertEquals("gateway", gwp.getId());