Loading collection data...
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.
Ok. Nice exercice for Christmas. I try to write a test for errors. It should throw an error if the given joke id does not exist.
This code doesn't work. I think, it get a promise and don't test the method.
How I can implement it ?