CBQE-947: add test for quer ddoc with  / in name

Change-Id: I6c34da827650ec4a4219f475a360428e410248c8
Reviewed-on: http://review.couchbase.org/23940
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Reviewed-by: Deepkaran Salooja <deepkaran.salooja@globallogic.com>
Tested-by: Iryna Mironava <irynamironava@yandex.ru>