CBQE-1970: add moxi+cluster ops tests

Change-Id: I8a0012f5f2ec1dd5792df879491152a79e9a2d82
Reviewed-on: http://review.couchbase.org/33160
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>