CBQE-1636: add test for different version of replication

Change-Id: I7e3b02e531bd9930c3bba200be9fed4994b37357
Reviewed-on: http://review.couchbase.org/33028
Reviewed-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>
Tested-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>