Write Tests for comments counter function

[cosywasswa]

I performed the following tests.

• [ ] Created a branch test-commentCounter-function
• [ ] Created test cases in commentCounter.test.js
• [ ] installed test environment
• [ ] Fixed linter errors

[ticoniq]

Hi @cosywasswa $ @ticoniq,

Your project is complete! There is nothing else to say other than... it's time to merge it 👍 Congratulations! 🎉 Highlights New branch created ✔️ Test case ✔️ Used webpack✔️ Used Gitflow ✔️ Optional suggestions Every comment with the [OPTIONAL] prefix won't stop the approval of this PR. However, I strongly recommend you to take them into account as they can make your code better. Some of them were simply missed by the previous reviewer and addressing them will really improve your application.

Cheers, and Happy coding!👏👏👏

Feel free to leave any questions or comments in the PR thread if something is not 100% clear. Please, remember to tag me in your question so I can receive the notification.