This is okay, but here: https://github.com/darkowlzz/addon-sdk/blob/166c3aba9bf7398361dc9f2ee2941b60339f2ba5/test/test-functional.js#L32

You have to test that `curry` is actually log the message about deprecation. As I wrote to you in the first comment, you can take a look here: https://github.com/mozilla/addon-sdk/blob/master/test/test-deprecate.js to see how to hook the console's messages in tests, instead of print on screen.