CBQE-1141/CBQE-1142/CBQE-1143:Cbrecovery testcases

- Accomodating verification for expirations,
deletions, updations

Change-Id: Iedf8763ad02d5a0d93b2d7752672d0617f6e5bef
Reviewed-on: http://review.couchbase.org/26222
Reviewed-by: abhinav dangeti <abhinav.dangeti@gmail.com>
Tested-by: abhinav dangeti <abhinav.dangeti@gmail.com>