CBQE-0: fix moxi tests

Change-Id: Ib14fce11ac1b2ab623f13ad94b715dd08b4a0a68
Reviewed-on: http://review.couchbase.org/31131
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>