Test failure on system-test on OpenBSD
Run tests of new 3.0rc1 and noticed test failures on system-test. The last tests of system-test are wrong on OpenBSD and possible other systems as well.
(test-equal #f (process-exit-ok? (run-process "/bin/false")))
(test-equal #t (process-exit-ok? (run-process "/bin/true")))
OpenBSD has false and true binaries in /usr/bin and not in /bin.