CBQE-2410:: Add logic to verify bug MB12158

Change-Id: Icff9ee534ba63703d17911f16ece8bcb9b26ff92
Reviewed-on: http://review.couchbase.org/41398
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>
Tested-by: Parag Agarwal <agarwal.parag@gmail.com>