@After
  public void tearDown() throws Exception {
    for (TableDescriptor td : UTIL.getAdmin().listTableDescriptors()) {
      LOG.info("Tear down, remove table=" + td.getTableName());
      UTIL.deleteTable(td.getTableName());
    }
    // Turn on balancer
    admin.balancerSwitch(true, false);
  }
Tests to verify master/ assignment manager functionality against rogue RS
hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestRogueRSAssignment.java