CBQE-0: prepare N1QL suites to run with 3.0

Change-Id: I5f1783bfccacc915ed7b2e921f6377b4d392787e
Reviewed-on: http://review.couchbase.org/41634
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>