@Override
        public void addProvider(ProviderGroup providerGroup) {
            ps.put(providerGroup.getName(), providerGroup.getProviderInfos());
        }
@author <a href=mailto:orezsilence@163.com>zhangchengxi</a>
registry/registry-local/src/test/java/com/alipay/sofa/rpc/registry/local/DomainRegistryTest.java