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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.
Needs random tests.
"Look at the test for the entire spec" is not an acceptable form of description. The description should be self-sufficient to describe the task (unless the whole point is to figure out the task, but this kata isn't one of them).