musrview writes its PNGs next to the msr-file as <msr>_<n>.png, hence the plain, -f and -f -a tests of the same msr-file overwrote/removed each other's PNGs when run in parallel. Lock them on the msr-file.
musrview writes its PNGs next to the msr-file as <msr>_<n>.png, hence the plain, -f and -f -a tests of the same msr-file overwrote/removed each other's PNGs when run in parallel. Lock them on the msr-file.