apisix etcd local fix #81

Job	Run time
test-nginx / test-nginx	34s
test-mongodb / test-mongodb	50s
test-kafka / test-kafka	1m 15s
test-envoy / test-envoy	7s
test-mysql / test-mysql	1m 2s
test-memcached / test-memcached	43s
test-rocksdb / test-rocksdb	55s
test-adoptopenjdk / test-adoptopenjdk	13s
test-activemq / test-activemq	52s
test-cuttlefish / test-cuttlefish	1m 24s
test-abyss / test-abyss	58s
test-acl / test-acl	58s
test-almalinux / test-almalinux	21s
test-alluxio / test-alluxio	53s
test-anda / test-anda	1m 6s
test-aerospike / test-aerospike	31s
test-angularcli / test-angularcli	59s
test-accumulo / test-accumulo	59s
test-alfresco / test-alfresco	41s
test-alpinelinux / test-alpinelinux	17s
test-ace / test-ace	37s
test-spark / test-spark	1m 17s
test-cassandra / test-cassandra	1m 7s
test-ceph / test-ceph	1m 10s
test-postgres / test-postgres	1m 3s
test-akka / test-akka	46s
summary	5s
	21m 43s

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