fix markdown and typos in teams testing (#1046)

* fix markdown and typos in teams testing

* fix link issue

* fix language issues

* fix typo

* Update docs/automated-testing/ui-testing/teams-tests.md

Co-authored-by: Tomi Paananen <[email protected]>

* Update docs/automated-testing/ui-testing/teams-tests.md

Co-authored-by: Tomi Paananen <[email protected]>

* Update docs/automated-testing/ui-testing/teams-tests.md

Co-authored-by: Tomi Paananen <[email protected]>

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Co-authored-by: Shiran Rubin <[email protected]>
Co-authored-by: Tomi Paananen <[email protected]>