СBQE-1119: testClusterInit and testClusterInitNegative

Change-Id: I13606366ed7ff295dcc9271920f090c856e0f11e
Reviewed-on: http://review.couchbase.org/27225
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>