implement qitest nightmare mode #27067

Nightmare mode had been forgotten since qibuild test refactoring

Change-Id: I95874aee2e3b2d77438a6872d28009c717228da0
Reviewed-on: http://gerrit.aldebaran.lan/50278
Tested-by: gerrit
Reviewed-by: dmerejkowsky <dmerejkowsky@aldebaran-robotics.com>