CBQE-0: refactoring in conf/py-cli-mac.conf

Change-Id: Iec599f5886ba72ab826b2feec9044ba8bac160a8
Reviewed-on: http://review.couchbase.org/31539
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>