@Override
        public void updateAllProviders(List<ProviderGroup> providerGroups) {
            for (ProviderGroup providerGroup : providerGroups) {
                ps.put(providerGroup.getName(), providerGroup);
            }
        }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
registry/registry-mesh/src/test/java/com/alipay/sofa/rpc/registry/mesh/MeshRegistryTest.java