@Override
        public void run() {
          LOG.info("Sending in CRASH of " + server);
          doCrash(server);
        }
Takes open request and then returns nothing so acts like a RS that went zombie. No response (so
proc is stuck/suspended on the Master and won't wake up.). We then send in a crash for this
server after a few seconds; crash is supposed to take care of the suspended procedures.
hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestAssignmentManagerBase.java