Tidy tests to use change_local_timezone() #864

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	concurrency:
	group: ${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	tests:
	name: Python ${{ matrix.python-version }}
	runs-on: ubuntu-22.04

	strategy:
	matrix:
	python-version:
	- 3.8
	- 3.9
	- '3.10'
	- '3.11'
	- '3.12'

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	allow-prereleases: true
	cache: pip
	cache-dependency-path: 'requirements/*.txt'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install --upgrade 'tox>=4.0.0rc3'

	- name: Run tox targets for ${{ matrix.python-version }}
	run: tox run -f py$(echo ${{ matrix.python-version }} \| tr -d .)

	- name: Upload coverage data
	uses: actions/upload-artifact@v3
	with:
	name: coverage-data
	path: '.coverage.*'

	coverage:
	name: Coverage
	runs-on: ubuntu-22.04
	needs: tests
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v4
	with:
	python-version: '3.11'

	- name: Install dependencies
	run: python -m pip install --upgrade coverage[toml]

	- name: Download data
	uses: actions/download-artifact@v3
	with:
	name: coverage-data

	- name: Combine coverage and fail if it's <100%
	run: \|
	python -m coverage combine
	python -m coverage html --skip-covered --skip-empty
	python -m coverage report --fail-under=100

	- name: Upload HTML report
	if: ${{ failure() }}
	uses: actions/upload-artifact@v3
	with:
	name: html-report
	path: htmlcov

Provide feedback