source-academy / frontend / 16574351467

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Migrate testing setup from Jest to Vitest (#3261)

* Initial plan

* Replace Jest with Vitest dependencies and configuration

Co-authored-by: RichDom2185 <34370238+RichDom2185@users.noreply.github.com>

* Update test files to use Vitest API and create working configuration

Co-authored-by: RichDom2185 <34370238+RichDom2185@users.noreply.github.com>

* Complete Jest to Vitest migration with final configuration and documentation updates

Co-authored-by: RichDom2185 <34370238+RichDom2185@users.noreply.github.com>

* Update lockfile

* Reformat files

* Fix test config

* Remove old jest config

* Update dependencies

* Resolve import inconsistency

* Deduplicate dependencies

* Rename test files

* Rename snapshots

* Update some test snapshots

* Update more test snapshots

* Move past fixes to test setup

* Remove unnecessary reference types

* Fix some tests

* Update remaining snapshots

* Fix more tests

* Fix navigation bar tests

* Fix some type errors

* Fix more type errors

* Update test snapshot

* Update scripts

* Fix more tests

* Reformat files

* Remove double test suffix

* Fix version

* Prevent opening browser UI on test launch

* Fail test early on CI

* Fix remaining errors

* Fix more tests and snapshots

* Fix ESLint issues

* Configure i18next for tests

* Fix coverage generation

* Remove comment

* Resolve imports

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: RichDom2185 <34370238+RichDom2185@users.noreply.github.com>

2229 of 2949 branches covered (75.58%)

Branch coverage included in aggregate %.

9 of 44 new or added lines in 4 files covered. (20.45%)

20348 of 48257 relevant lines covered (42.17%)

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