allow the argument of the run function to be a simple string Change-Id: I1d5de3802b6adc22a01a262d4cb017bf7dd084c5 Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/36343 Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch> Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>