CBQE-0: fix a typo in tuq test

Change-Id: I230bcd23b1c25eebb7671f86e6d5f4e755141b40
Reviewed-on: http://review.couchbase.org/33922
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>