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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.
As I warned the author 1.5 years ago, the API that we're supposed to use is now broken (tests time out before a response is received). Even if the whole get-data-from-an-external-website thing is removed, it's still a yet another groupby task which isn't novel at all. A moderator should unpublish this (and remove this kata from this list on github if possible).
The tests are calling the function multiple times before making assertions.
Tests are printing stuff to the console, and it's not even clear what these logs are supposed to mean.
New test framework should be used.
Because returning a boolean like any normal person would do is too easy?
Tests need better coverage: this solution should not pass.