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.
Read the posts below, it's been asked and answered before.
This issue of 'no sample tests' is already raised below, no need to create multiple of them. Until they're added, just click 'Attempt'.
From a glance: the last column has two 5s.
In any case, this is not a kata issue. Your code is buggy.