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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.
When i ty to submit my code i have next results: Passed: 111 Failed: 1 Exit Code: 1 In Edge Cases: True should equal False But how i could know which test data cause test fail?