CBQE-0:: fix stop start tests

Change-Id: I8a819de5cdd1a8291ca55abbfa8b5528cd353903
Reviewed-on: http://review.couchbase.org/40952
Reviewed-by: Thuan Nguyen <soccon@gmail.com>
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>
Tested-by: Parag Agarwal <agarwal.parag@gmail.com>