suspend is not working in watch mode

[milahu]

Describe the bug

vitest ignores the suspend signal (Ctrl-Z)

Reproduction

npx vitest

...

 PASS  Waiting for file changes...
       press h to show help, press q to quit

when i hit ^Z (Ctrl-Z) then nothing happens

vitest should suspend to background

sleep 1m

^Z
[1]+  Stopped                 sleep 1m

System Info

vitest 0.25.2

Used Package Manager

npm

Validations

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• The provided reproduction is a minimal reproducible example of the bug.