Fredrik Salomonsson schreef op zo 05-06-2022 om 00:19 [+0000]: > +(test-equal "print foo from emacs" > +  "foo" > +  (emacs-batch-script '(princ "foo"))) IIUC, this can only be run if emacs is in $PATH when running the tests, so sometimes the test needs to be skipped. As an example on how to do this, see the "pypi->guix-package, wheels" test in tests/pypi.scm. Greetings, Maxime.