CBQE-1119: cluster-edit coucbase-cli test

Change-Id: If89f6b3f22d611843549fd618120222386f3078b
Reviewed-on: http://review.couchbase.org/25900
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>