CBQE-0: fixing test xdcr.xdcrMiscTests.XdcrMiscTests.test_verify_mb8825

Change-Id: I55559aedfa8e8d276a74bde1b9217198cb0f8dc6
Reviewed-on: http://review.couchbase.org/37423
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Reviewed-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>
Tested-by: Sangharsh Agarwal <sangharsh.agarwal@globallogic.com>