CBQE:0 Fix downstream jobs not accepting url from upstream

Change-Id: I28e828ee26b06981d6985d1f04df888645b10469
Reviewed-on: http://review.couchbase.org/44337
Reviewed-by: Aruna Piravi <aruna@couchbase.com>
Tested-by: Aruna Piravi <aruna@couchbase.com>