Current situation, when there are a lot of non-tio languages to test, is unpleasant, and this is mostly because of me.
I want to do something about this, and the most suitable way to do it for me is this: I say don't worry about non-tio languages, I will take care of them.
If the answer breaks smth not on tio, I will fix it and add some test (real or abstraction) to the test driver. The same what I've done with Chance's [Nial answer](https://codegolf.stackexchange.com/a/170087).
This includes only accidental breaks, it does not include situation when a language is added to a group of closel…