CBQE-2335: add warmup + fulleviction test

Change-Id: Ia9083986e432e9006a67a06d43711842f743661b
Reviewed-on: http://review.couchbase.org/39539
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>