Updated code and added case-sensitive test. Clarified original description to tell the user the input should be case-sensitive also.

It's probably this: https://github.com/Codewars/codewars.com/issues/690 (it happens in half of the languages). Workaround: unpublish, edit, republish.
Or maybe just temporary issues. It looks like the runner is dead now.

Thank you for the feedback. I am trying to make a revision but seem to be experiencing a site bug. When clicking submit I get an error message 'Invalid javascript Version: "javascript"' and there is no "javascript" option on the language select dropdown. Where should I report this?

Thanks for checking. I've now added randomized tests like the original translation.

The solution incorrectly processes lowercase characters as valid.
Missing tests with lowercase characters.

How about more tests?

Just ran the above code inside codewars and I didn't receive any "'carry' is not defined" error. The code is wrong though!

Approved. Thanks :-)

Logs added.

I also write to console the random test input/output, because it helps to see what is going on particularly if a user claims random tests not working. Some language test frameworks don't make that output easy; I don't know anything about your language, but if console output works can you add it? If it doesn't work please let me know and I will approve as-is. Thanks.

I have updated the tests with random ones. Hopefully they published correctly. Let me know if there's anything else I missed. This is my first submission. Thanks :)

Sorry, but I cannot approve this translation until you add the missing "random" test cases that were present in the original. Thanks.