CBQE-0: update dml tests

Change-Id: Id636d8093e56dc4d4a696c007e66cc685b7f1372
Reviewed-on: http://review.couchbase.org/43081
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>