test: add file to test stripSuffix (inspired by stripPrefix-test)

[elidelima]

Created new file to test stripSuffix utility as requested (#289).

[miorel]

Thanks for the pull request @elidelima, this looks really good! I appreciate your finding a word with the property like "banana" and also adding a few more tests that are testing things not covered in the stripPrefix version!

We need just a couple of things before this is ready to merge.

1. Let's get the checks to pass! I believe they are currently complaining because of the formatting -- would you mind running the file through Prettier? You can run yarn format inside the workspaces/util directory to do so. There is a lint warning that will also be fixed by this, as well.

2. Just to confirm: are you ok with your contribution being distributed under the MIT License?

Thanks again!

[elidelima]

Hi @miorel, thank you for the review.

1. Fixed!
2. I'm ok with that!

Thanks!

[miorel]

Thank you! Let me know if you're interested in anything else from this repo!