@Override
      public void run() {
        try {
          Thread.sleep(timeout);
          utility.getHBaseCluster().getRegionServer(rs).stop("Stopping as part of the test");
        } catch (Exception e) {
          LOG.error("Couldn't kill a region server", e);
        }
      }
Load up 1 tables over 2 region servers and kill a source during the upload. The failover
happens internally. WARNING this test sometimes fails because of HBASE-3515
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationKillRS.java