public void expireRegionServerSession(int index) throws Exception {
    HRegionServer rs = getMiniHBaseCluster().getRegionServer(index);
    expireSession(rs.getZooKeeper(), false);
    decrementMinRegionServerCount();
  }
Expire a region server's session
@param index which RS
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseTestingUtility.java