Windows 10 and 11 introduce the timeout.exe command. This is a similar program with same argument options
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v19: timeout: add minimal test suite
timeout: Windows 10 introduce the timeout command
https://gitlab.winehq.org/wine/wine/-/merge_requests/6869
I've seen some cases where the X server is a bit slow to start, and I suspect it could be a reason for some rare spurious test failures. Not 100% sure but at least this should be harmless and better than leaving it to chance.
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https://gitlab.winehq.org/wine/wine/-/merge_requests/6880