{ ... }: { services.pasystray = { enable = true; extraOptions = [ "-g" ]; }; test.stubs = { pasystray = { }; paprefs = { }; pavucontrol = { }; }; nmt.script = '' serviceFile=$(normalizeStorePaths home-files/.config/systemd/user/pasystray.service) assertFileContent "$serviceFile" ${./expected.service} ''; }