`tests/misc/timeout` has intermittent failures

[sylvestre]

GNU test failed: tests/misc/timeout. tests/misc/timeout is passing on 'main'. Maybe you have to rebase?

2022-11-09T14:35:24.3690713Z 
2022-11-09T14:35:24.3690803Z FAIL: tests/misc/timeout
2022-11-09T14:35:24.3690884Z ========================
2022-11-09T14:35:24.3690890Z 
2022-11-09T14:35:24.3691001Z timeout: No such process (os error 3)
2022-11-09T14:35:24.3691122Z FAIL tests/misc/timeout.sh (exit status: 1)

[jfinkels]

I believe this is caused by #4073

[jfinkels]

I believe this is the result of #4073