CBQE-0: tuq: add different datasets

Change-Id: If4fd3848587b5d5e55bf411a0b03810b97cb3aba
Reviewed-on: http://review.couchbase.org/37173
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>