Move the console.log outside your if, that's not the test your code is failing. So, you're seeing the log of one test and the error message of another like that.

current date is November,8,,2013
expiration date is November,5,,2014
expected true to equal true

That test passes with your current code. Not a kata issue, the tests are fine.

This one took me several hours. Difficult, but satisfying.

Python code runner comes with a set of predetermined packages and it's all what is available for your solution out of the box.
You can request new packages on codewars/runner repository.

Is it possible to install external libraries? The Python inflect library would make this so much easier but I get "ModuleNotFoundError:"

I made a mistake here: z is listed twice in the alphabet, and x is not listed.

I made a mistake here: z is listed twice in the alphabet, and x is not listed.