docs: udpate msw example

[MatanBobi]

Followup PR for https://github.com/testing-library/testing-library-docs/pull/1327/

This is a cherry pick of @kettanaito's and @timdeschryver's commits with the last fix needed to push this update.

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[kettanaito]

🚀 Thanks for updating this!

[MatanBobi]

@all-contributors please add @kettanaito for docs :)

[allcontributors[bot]]

@MatanBobi

I've put up a pull request to add @kettanaito! :tada: