* chore: ignore eslint issues during frontend-build v9 -> v12 upgrade
* chore: add comment to .eslintrc.js file
* chore: update frontend-build
* chore: update test and remove a few unit tests
Co-authored-by: Leangseu Kim <lkim@edx.org>
Adds an alert to the courseware if the section is an Entrance Exam. Also
adds a listener to reload the page upon receiving a message from the LMS
indicating the user has now passed the exam.
Commit also contains misc. clean up for i18n messages switching to variable names.