CBQE-1537 fix cli tapagg test

Change-Id: I98dc7ac30dec99416f07683e349a76ddd651e808
Reviewed-on: http://review.couchbase.org/29207
Tested-by: Thuan Nguyen <soccon@gmail.com>
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>