fix ut error

scripts/ut_test_in_docker.sh

@@ -45,7 +45,7 @@ elif [ ${db_name} == "mongo" ];then
   echo "${green}mongodb is running......${reset}"
 elif [ ${db_name} == "local" ];then
   echo "${green}Starting etcd in docker${reset}"
-  docker run -d -v /usr/share/ca-certificates/:/etc/ssl/certs -p 40010:40010 -p 23800:23800 -p 2379:2379 --name etcd quay.io/coreos/etcd etcd -name etcd0 -advertise-client-urls http://127.0.0.1:2379,http://127.0.0.1:40010 -listen-client-urls http://0.0.0.0:2379,http://0.0.0.0:40010 -initial-advertise-peer-urls http://127.0.0.1:23800 -listen-peer-urls http://0.0.0.0:23800 -initial-cluster-token etcd-cluster-1 -initial-cluster etcd0=http://127.0.0.1:23800 -initial-cluster-state new
+  docker run -d -v /usr/share/ca-certificates/:/etc/ssl/certs -p 40010:40010 -p 23800:23800 -p 2379:2379 --name etcd quay.io/coreos/etcd:v3.5.15 etcd -name etcd0 -advertise-client-urls http://127.0.0.1:2379,http://127.0.0.1:40010 -listen-client-urls http://0.0.0.0:2379,http://0.0.0.0:40010 -initial-advertise-peer-urls http://127.0.0.1:23800 -listen-peer-urls http://0.0.0.0:23800 -initial-cluster-token etcd-cluster-1 -initial-cluster etcd0=http://127.0.0.1:23800 -initial-cluster-state new
   while ! nc -z 127.0.0.1 2379; do
     echo "Waiting Etcd to launch on 2379..."
     sleep 1