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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.
I guess this year's Christmas miracle is this kata finally getting fixed.
Read the error message. It tells you exactly what's wrong, and it's in your code, not the tests.
Did you know there's a Troubleshooting Guide in the Docs?
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