The repository contains a Spiel presentation that I gave at MadPy in December 2022 about pytest.
You can run the slides yourself using Docker (or equivalent):
$ docker run -it --rm ghcr.io/joshkarpel/pytest-its-whats-for-testing:2022-12-08-madpyor by installing this repository using pip and running the slides submodule:
$ pip install git+https://github.com/JoshKarpel/pytest-its-whats-for-testing
$ python -m pytest_its_whats_for_testing.slides(You may need to install some extra system packages if you're on Linux.)