CBQE-1119: clusterEdit/Init coucbase-cli tests

Change-Id: I2ce05aeb400379f2243be022636ec1442d80e40f
Reviewed-on: http://review.couchbase.org/25847
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>