HBASE-9041 TestFlushSnapshotFromClient.testConcurrentSnapshottingAttempts fails; ATTEMPTED FIXUP

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1507657 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9041 TestFlushSnapshotFromClient.testConcurrentSnapshottingAttempts fails

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1507683 13f79535-47bb-0310-9956-ffa450edef68