HBASE-7982 TestReplicationQueueFailover* runs for a minute, spews 3/4million lines complaining 'Filesystem closed', has an NPE, and still passes?

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1453713 13f79535-47bb-0310-9956-ffa450edef68