Add test for RCBC-189
Add test for RCBC-189

Change-Id: I21f8b39015a3e4a39ca53473adb0b0fa65dd71a4
Reviewed-on: http://review.couchbase.org/45872
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

dewolfe/couchbase-ruby-client,dewolfe/couchbase-ruby-client