[FIX] Fix confusing path handling of simulation scripts

Change-Id: I7b7b41f287ec8ab606610ed83effda9fbd6a0e00
Reviewed-on: http://brateggevoat1/gerrit/1747
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>