YARN-1281. Fixed TestZKRMStateStoreZKClientConnections to not fail intermittently due to ZK-client timeouts. Contributed by Tsuyoshi Ozawa.
svn merge --ignore-ancestry -c 1588369 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.4@1588372 13f79535-47bb-0310-9956-ffa450edef68