CBQE:0 Add xdcr filter tests for Sherlock

Change-Id: Ifa3a9884106f2725dcd7b8ec2a3d8ba98555b3a9
Reviewed-on: http://review.couchbase.org/44158
Reviewed-by: Aruna Piravi <aruna@couchbase.com>
Tested-by: Aruna Piravi <aruna@couchbase.com>