CBQE-2413:n1ql update meta tests

Change-Id: I0471f3538a3c65c5f59121d8e3bec76cf61528ee
Reviewed-on: http://review.couchbase.org/41778
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>
Tested-by: buildbot <build@couchbase.com>