fixing PHPUnit BC break on base TestCase #61

	name: Format
	on:
	pull_request:
	paths: ['**.php']
	jobs:
	php-cs-fixer:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	ref: ${{ github.event.pull_request.head.ref }}
	- uses: shivammathur/setup-php@v2
	with:
	php-version: 8.1
	- uses: ramsey/composer-install@v2
	- name: Run PHP-CS-Fixer
	id: format
	# https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#multiline-strings
	run: \|
	delimiter=$RANDOM
	echo "summary<<${delimiter}" >> $GITHUB_OUTPUT
	composer format >> $GITHUB_OUTPUT
	echo $delimiter >> $GITHUB_OUTPUT
	- name: Check for fixed files
	run: echo "changed=$(git diff --quiet && echo false \|\| echo true)" >> $GITHUB_ENV
	- name: Commit changes
	if: ${{ env.changed == 'true' }}
	run: \|
	git config --global user.name github-actions
	git config --global user.email github-actions[bot]@users.noreply.github.com
	# awk trims leading and trailing whitespace from each line, sed removes the last two lines
	git commit -a -m "Format" -m "$(echo '${{ steps.format.outputs.summary }})' \| awk '{$1=$1};1' \| sed '$d' \| sed '$d')"
	git push

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