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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.
what information were you hoping to get from the error message? to which language are you referring?
Doesn't provide a useful message on test fail.
where can I find the extended message on test fail >> ???