fix: adding unit tests for connection classes #5127

	name: DocFX Test Suite
	on:
	push:
	branches: [ main ]
	pull_request:
	workflow_dispatch:

	jobs:
	docfx:
	name: "Run DocFX tests"
	runs-on: ubuntu-latest
	env:
	PHPDOC_ENV: prod
	steps:
	- uses: actions/checkout@v4
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.9'
	- run: pip install --require-hashes -r .kokoro/docs/docker/requirements.txt
	- name: Setup PHP
	uses: shivammathur/setup-php@verbose
	with:
	php-version: "8.1"
	- name: Extract phpDocumentor
	id: extract
	uses: shrink/actions-docker-extract@v2
	with:
	image: "phpdoc/phpdoc:20230522201300af6fb5"
	path: "/opt/phpdoc/."
	- name: Symlink phpDocumentor
	run: ln -s $(pwd)/${{ steps.extract.outputs.destination }}/bin/phpdoc /usr/local/bin/phpdoc
	- name: Install Dependencies
	uses: nick-invision/retry@v2
	with:
	timeout_minutes: 10
	max_attempts: 3
	command: composer --no-interaction --no-ansi --no-progress update -d dev
	- name: Run DocFX Unit Test Suite
	run: dev/vendor/bin/phpunit -c dev/phpunit-docfx.xml.dist
	- name: Run Docs Generator (Dry Run)
	run: .kokoro/docs/publish.sh

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