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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.
It was due to a flaw in the tests (the register was not cleared before calling the user solution, so it still contained the result). It has been fixed and this solution is now invalidated.
Do you return then second argument of the function do_test?
What is the point?
????
today I learned something ;P