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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.
Oops! Changed it in the test code, but not the example cases.
Should be better now :)
Test code references CatComparator instead of CatWeightComparator (which causes a compile error until you fix it).