jest: Regression: Fix mock promises

[fgrandel]

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fixes #32890
proposal to replace #32816

This is a proposal for an alternative solution to #32816 which might provide better inference. Please feel free to close if you think that #32816 is your preferred choice.

For the commented tests see microsoft/TypeScript#29825

[antoinebrault]

its almost the same as #32816 except that mockRejectValue() argument has to be any type because you want the error as argument, not T type as value. Can you close this PR ?

Thanks for you time reporting bugs. I'm trying to resolve issues ASAP. It's hard to get all use cases the first time without complete unit tests.

[fgrandel]

I'm trying to resolve issues ASAP. It's hard to get all use cases
the first time without complete unit tests.

Yep - your response times are amazing. Thank you so much for your work! :-)

[fgrandel]

Closing as proposed by @antoinebrault in favour of #32816