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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
The question is not relevant. I figured out what's wrong.
It would not make sense if the tests for the task were displayed in more detail. And so, I'm at a loss as to what I did wrong. I originally found a solution, it passed the tests. I decided to do a little refactoring. After that, the new solution fails the tests.
This comment is hidden because it contains spoiler information about the solution
Perfect solution!:)