[test:websockets] Reduce timeout

[seproDev]

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Seemingly, something got faster on Windows, causing the timeout tests to now (sometimes) fail. This PR reduces the timeout to ~2.2e-308 which is significantly shorter than the Planck time, so I think we should be good for a while.

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[coletdjnz]

Assuming this fixes it, LGTM

Alternative is to increase it to say 0.5s, but if we can make it quick the better.

[seproDev]

In my testing increasing the timeout the tests fail on both linux and windows due to the 101 switching protocol response arriving.