CBQE-1531: fix test

Change-Id: I5ec1834fae2321e3f0882a9f76230f36c90500ed
Reviewed-on: http://review.couchbase.org/29383
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>