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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.
No sample test in JS
Duplicate, there are a bunch of these draw basic shape katas :
There are also a bunch of approved ones which are slight variants.
The naming of your methods, especially the Test Cases, could a a lot better.
Since there is no message with the tests, it took me a while to figure out why I was failing the test called "DoTheTest5".
Better to split it into two methods and name them "ZeroTests" and "NegativeTests".
Also a random test is always nice.