CBQE-1531: add xdcr+tuq test

Change-Id: I019114b61d34667d25f45322d617d7785b6e39ed
Reviewed-on: http://review.couchbase.org/29534
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>