CBQE-2458: update n1ql tests

Change-Id: I55215a485ad85684c019d04744c2a7dea490dd62
Reviewed-on: http://review.couchbase.org/43283
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>