public void deleteTable(TableName tableName) throws IOException {
    try {
      getAdmin().disableTable(tableName);
    } catch (TableNotEnabledException e) {
      LOG.debug("Table: " + tableName + " already disabled, so just deleting it.");
    }
    getAdmin().deleteTable(tableName);
  }
Drop an existing table
@param tableName existing table
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseTestingUtility.java