@Override
  @After
  public void tearDown() throws Exception {
    Pattern pattern = Pattern.compile(tableName.getNameAsString() + ".*");
    cleanupTables(admin, pattern);
    cleanupTables(admin2, pattern);
  }
Class to test asynchronous replication admin operations when more than 1 cluster
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncReplicationAdminApiWithClusters.java