I just tried the repro steps for this issue [0]. Which seem to be the same as the test suite does it [1]. But nothing happens :/

[0] https://github.com/systemd/systemd/issues/29478 [1] https://github.com/systemd/systemd/blob/main/test/units/test...

EDIT: just found an image, of how it looks https://0x0.st/H3qM.png