CBQE-1616 fix windows automation broken in 2.5.0
due to GUID mess up from buildbot

Change-Id: Ibb23cf0a374749bffc7089291bc56c1a64e03a84
Reviewed-on: http://review.couchbase.org/29857
Reviewed-by: Thuan Nguyen <soccon@gmail.com>
Tested-by: Thuan Nguyen <soccon@gmail.com>