Change filename from comment_test.rb to comment_system_test.rb

[naseehasalam]

Updates the filename of test/comment_system_tests/comment_test.rb in the plots2 repository - to "test/comment_system_tests/comment_system_test.rb"

Fixes #11620

Make sure these boxes are checked before your pull request (PR) is ready to be reviewed and merged. Thanks!

• PR is descriptively titled 📑 and links the original issue above 🔗
• tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR -- or run tests locally with rake test
• code is in uniquely-named feature branch and has no merge conflicts 📁
• screenshots/GIFs are attached 📎 in case of UI updation
• ask @publiclab/reviewers for help, in a comment below

[codecov]

Codecov Report

Merging #11647 (d311b41) into main (5e1d8c2) will decrease coverage by 3.81%.
The diff coverage is n/a.

❗ Current head d311b41 differs from pull request most recent head 8dab91b. Consider uploading reports for the commit 8dab91b to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11647      +/-   ##
==========================================
- Coverage   83.33%   79.52%   -3.81%     
==========================================
  Files          93       93              
  Lines        5772     5792      +20     
==========================================
- Hits         4810     4606     -204     
- Misses        962     1186     +224     

see 28 files with indirect coverage changes