CBQE-2439: fix windows failing tests

Change-Id: Ia3ff25c338f63a4251811a79c73e9b337c1fa4b6
Reviewed-on: http://review.couchbase.org/42370
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Parag Agarwal <agarwal.parag@gmail.com>
Tested-by: Parag Agarwal <agarwal.parag@gmail.com>