skip test coverage for auto gen by gprc of etcd
skip test coverage for auto gen by gprc of etcd

leeyazhou/sharding-jdbc,apache/incubator-shardingsphere,leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,apache/incubator-shardingsphere,apache/incubator-shardingsphere,apache/incubator-shardingsphere