HBASE-8560 TestMasterShutdown failing in trunk 0.95/trunk -- "Unable to get data of znode /hbase/meta-region-server because node does not exist (not an error)"

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1483547 13f79535-47bb-0310-9956-ffa450edef68