CBQE-0: fix incremental failover test in viewquery

Change-Id: I2cd3109130e7840262277550fa4ff8d46728a569
Reviewed-on: http://review.couchbase.org/40909
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>