[MMI] Add Confirm-approve-content.component unit test

[albertolive]

Explanation

Add Confirm-approve-content.component unit test

Pre-merge author checklist

• I've clearly explained:
  • What problem this PR is solving
  • How this problem was solved
  • How reviewers can test my changes
• Sufficient automated test coverage has been added

Pre-merge reviewer checklist

• Manual testing (e.g. pull and build branch, run in browser, test code being changed)
• IF this PR fixes a bug in the release milestone, add this PR to the release milestone

If further QA is required (e.g. new feature, complex testing steps, large refactor), add the Extension QA Board label.

In this case, a QA Engineer approval will be be required.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (b7ad9f6) 68.49% compared to head (c4d4151) 68.50%.
Report is 3 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #21148   +/-   ##
========================================
  Coverage    68.49%   68.50%           
========================================
  Files         1012     1012           
  Lines        40588    40588           
  Branches     10843    10843           
========================================
+ Hits         27799    27801    +2     
+ Misses       12789    12787    -2     

see 1 file with indirect coverage changes

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