[Unit]
Description=TEST-01-BASIC
After=multi-user.target
Wants=systemd-resolved.service systemd-networkd.service

[Service]
ExecStartPre=rm -f /failed /testok
ExecStart=sh -e -x -c 'systemctl --state=failed --no-legend --no-pager >/failed ; systemctl daemon-reload ; echo OK >/testok'
Type=oneshot