* Tests: unroll test_multiworlds.TestTwoPlayerMulti
Also adds a helper function that other tests can use to unroll tests.
* Docs: add more details to docs/tests.md
* Explain parametrization, subtests and link to the new helper
* Mention some performance details and work-arounds
* Mention multithreading / pytest-xdist
* Tests: make param.classvar_matrix accept sets
* CI: add test/param.py to type checking
* Tests: add missing typing to test/param.py
* Tests: fix typo in test/param.py doc comment
Co-authored-by: qwint <qwint.42@gmail.com>
* update docs
* Docs: reword note on performance
---------
Co-authored-by: qwint <qwint.42@gmail.com>
