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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.
Hey ferilo,
I don't know if you're still curous about this, but it appears that the obj is creating a random number and the test case is looking to see if the twin has the same random number as obj.