Add new test with two buckets
Add new test with two buckets

https://github.com/couchbase/sync_gateway/issues/734

Change-Id: I91ea59d8989a22da6c96e987ab8b1eee282b6ecc
Reviewed-on: http://review.couchbase.org/48774
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Andrei Baranouski <f6b50d8f3f8d6abadc89468769320bb7ef9099f0@gmail.com>

pavel-paulau/perfrunner,hsharsha/perfrunner,pavel-paulau/perfrunner,PaintScratcher/perfrunner,EricACooper/perfrunner,hsharsha/perfrunner,vmx/perfrunner,couchbase/perfrunner,mikewied/perfrunner,couchbase/perfrunner,pavel-paulau/perfrunner,EricACooper/perfrunner,dkao-cb/perfrunner,pavel-paulau/perfrunner,couchbase/perfrunner,EricACooper/perfrunner,EricACooper/perfrunner,couchbase/perfrunner,dkao-cb/perfrunner,pavel-paulau/perfrunner,thomas-couchbase/perfrunner,couchbase/perfrunner,thomas-couchbase/perfrunner,mikewied/perfrunner,PaintScratcher/perfrunner,vmx/perfrunner,couchbase/perfrunner