CBQE-1220 create test case for warmup without access log

Change-Id: I4385cd3bd9b37a043dadd2b73034e9e57dd015af
Reviewed-on: http://review.couchbase.org/26339
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Chisheng Hong <chisheng@couchbase.com>