CBQE-0: Fix failover test in viewquery

Change-Id: I5aae1d36766b45377c3ae45c695905e8503729a6
Reviewed-on: http://review.couchbase.org/40567
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Iryna Mironava <irynamironava@yandex.ru>
Reviewed-by: Meenakshi Goel <meenakshi.goel@globallogic.com>
Tested-by: Meenakshi Goel <meenakshi.goel@globallogic.com>