HIVE-4750 : Fix TestCliDriver.list_bucket_dml_{6,7,8}.q on 0.23 (Prasanth J via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1519857 13f79535-47bb-0310-9956-ffa450edef68