Use `require_serial: true` as the default for our pre-commit hook, no… #337

	---

	name: Tests

	on: [push, pull_request, workflow_dispatch]

	env:
	FORCE_COLOR: 1

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	# when adding new versions, update the one used to test
	# friend projects below to the latest one
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	os: [ubuntu-latest, macos-latest, windows-latest]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	allow-prereleases: true
	cache: pip
	cache-dependency-path: .github/workflows/tests.yml
	- name: Upgrade pip
	run: python -m pip install --upgrade pip
	- name: Install pytest
	run: python -m pip install --upgrade pytest
	- name: Install sphinx-lint to pull dependencies
	run: python -m pip install -v .
	- name: Download more tests from friend projects
	if: matrix.python-version == '3.12' && matrix.os == 'ubuntu-latest'
	run: sh download-more-tests.sh
	- name: run tests
	run: python -m pytest

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