test: Stop hardcoding the VG name
test: Stop hardcoding the VG name

It is different in recent Fedora 31/32 images.

jkozol/welder-web,weldr/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,weldr/welder-web,jkozol/welder-web,jkozol/welder-web