MB-9110 bypass check log syslog.tar.gz
in mac test until it is fixed in future release

Change-Id: I1316b62c182ef5d49c0d547e422990903923a182
Reviewed-on: http://review.couchbase.org/29157
Tested-by: Thuan Nguyen <soccon@gmail.com>
Reviewed-by: Ketaki Gangal <ketakigangal@gmail.com>