CBQE-0: Minor fixes in Verify Rev ID code flow

Change-Id: I4e3bc4dafad6d49d9b025acb9e1518447b2ec3f9
Reviewed-on: http://review.couchbase.org/35895
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Reviewed-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>
Tested-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>