Thanks for your contribution! That's the reason why I wrote in the description that the amount of days should be rounded ;-)
So if it's less than 12 hours, it's the same day ;)

Found readme on github for what random test cases for codewars should look like.

This is my first time writing a kata.
Before first publishing this I had read the related documentation on this site which doesn't mention random tests.

Yes, I was mistaken. I have fixed it now, sorry for any inconveniences to anyone who was confused while trying to work it out.

The test case is the right one.
Perhaps the author made a mistake in the description.

Thanks!

This is true

It definitly is not part of the challenge. Make sure that all parenthesis, quotes, brackets are closed. Otherwise, your code will continue into the test code, which could explain the error message.