fix: Fix CI
fix: Fix CI

I am not sure of the root of the problem, but the assertEqual method of
unittest.TestCase was failing for some reason. Replacing it with an
equality test and a plain failureException works fine... Needs more
investigation, though.

kikocorreoso/brython,jonathanverner/brython,kikocorreoso/brython,kikocorreoso/brython,brython-dev/brython,jonathanverner/brython,brython-dev/brython,jonathanverner/brython,brython-dev/brython,jonathanverner/brython