code: @Test public void testHundredsOfTable() throws IOException {
    final int times=100;
    HColumnDescriptor fam1=new HColumnDescriptor("fam1");
    HColumnDescriptor fam2=new HColumnDescriptor("fam2");
    HColumnDescriptor fam3=new HColumnDescriptor("fam3");
    for (int i=0; i < times; i++) {
      HTableDescriptor htd=new HTableDescriptor("table" + i);
      htd.addFamily(fam1);
      htd.addFamily(fam2);
      htd.addFamily(fam3);
      this.admin.createTable(htd);
    }
    for (int i=0; i < times; i++) {
      String tableName="table" + i;
      this.admin.disableTable(tableName);
      this.admin.enableTable(tableName);
      this.admin.disableTable(tableName);
      this.admin.deleteTable(tableName);
    }
  }
  