* gnu/tests.scm (define-os-with-source): New macro. * gnu/tests/install.scm: New file. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it. * build-aux/run-system-tests.scm (%system-tests): Likewise.
* gnu/tests.scm: Export 'marionette-service-type'.
* gnu/build/marionette.scm, gnu/tests.scm: New files. * gnu/local.mk (GNU_SYSTEM_MODULES): Add them. * gnu/system/vm.scm (common-qemu-options): Remove '-serial stdio'.