@AfterClass
  public static void tearDownAfterClass() throws Exception {
    htable3.close();
    TestReplicationBase.tearDownAfterClass();
  }
We moved some of {@link TestVerifyReplicationZkClusterKey}'s tests here because it could take too
long to complete. In here we have miscellaneous.
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/replication/TestVerifyReplicationAdjunct.java