Comment 58 for bug 1951491

just to add some extra context:
dbus-daemon[26236]: [session uid=1001 pid=26236] Activating service name='org.freedesktop.portal.Documents' requested by ':1.0' (uid=1001 pid=26249 comm="/snap/bin/chromium.chromedriver --port=9515 " label="unconfined")
dbus-daemon[26236]: [session uid=1001 pid=26236] Activating service name='org.freedesktop.impl.portal.PermissionStore' requested by ':1.1' (uid=1001 pid=26269 comm="/usr/libexec/xdg-document-portal " label="unconfined")
dbus-daemon[26236]: [session uid=1001 pid=26236] Successfully activated service 'org.freedesktop.impl.portal.PermissionStore'
dbus-daemon[26236]: [session uid=1001 pid=26236] Successfully activated service 'org.freedesktop.portal.Documents'
cmd_run.go:1055: WARNING: cannot start document portal: Expected portal at "/run/user/1001/doc", got "/home/test_user/.cache/doc"
dbus-daemon[26236]: [session uid=1001 pid=26236] Activating service name='org.freedesktop.systemd1' requested by ':1.0' (uid=1001 pid=26249 comm="/snap/bin/chromium.chromedriver --port=9515 " label="unconfined")
dbus-daemon[26236]: [session uid=1001 pid=26236] Activated service 'org.freedesktop.systemd1' failed: Process org.freedesktop.systemd1 exited with status 1
/system.slice/cron.service is not a snap cgroup