TEST-13-NSPAWN.machined is flaky

[bluca]

Added by PR #34472

03:42:24 [   26.982193] TEST-13-NSPAWN.sh[526]: + varlinkctl call /run/systemd/machine/io.systemd.Machine io.systemd.Machine.Kill '{"name":"long-running", "whom": "leader", "signal": 5}'
03:42:24 [   26.986561] TEST-13-NSPAWN.sh[1273]: {}
03:42:25 [   26.986935] TEST-13-NSPAWN.sh[526]: + timeout 30 bash -c 'until test -e /var/lib/machines/long-running/trap; do sleep .5; done'
03:42:25 [   56.991686] TEST-13-NSPAWN.sh[526]: + at_exit

https://jenkins-systemd.apps.ocp.cloud.ci.centos.org/job/upstream-vagrant-archlinux/18949/console

[ikruglov]

I'd start from increasing timeout to 120s as in original variant.

[ikruglov]

hm, wait. The command didn't wait even for 30s. It's weird.

[ikruglov]

sorry, looked into wrong field. The command waited for 30s.

[bluca]

Still failing: https://github.com/systemd/systemd/actions/runs/12222919237/job/34093809924?pr=35505