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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.
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Subtraction
!!!Value is not what was expected!!!
Expected error was thrown: Error
Test Passed
I have no idea why one test doesnt pass on subtraction. Does anybody have problems with subtraction? I know test's data and code passes my test(i used "throw" to know array elements). But all the same one test failed.