@Override
    public List<ServiceCombServer> getUpdatedListOfServers() {
        final List<MicroServiceInstance> serverList = getRegisterCenterService()
                .getServerList(clientConfig.getClientName());
        return serverList.stream().map(ServiceCombServer::new).collect(Collectors.toList());
    }
@Test
    public void getUpdatedListOfServers() {
        final List<ServiceCombServer> initialListOfServers = serviceCombServiceList.getUpdatedListOfServers();
        Assert.assertEquals(initialListOfServers.size(), instances.size());
    }