CBES-0: separate kv and topology tests for ESearch

Change-Id: Ia51cbfd5a31c800a62d580cab6284949f79684ee
Reviewed-on: http://review.couchbase.org/24866
Reviewed-by: Tommie McAfee <tommie@couchbase.com>
Tested-by: Tommie McAfee <tommie@couchbase.com>