Closes #2884 Upgrade plan link in admin bar #411

	name: Unit/Integration tests - Legacy

	on:
	pull_request:
	branches:
	- trunk
	- develop
	- branch-*

	jobs:
	run:
	runs-on: ${{ matrix.operating-system }}

	strategy:
	fail-fast: false
	matrix:
	operating-system: [ubuntu-latest]
	php-versions: ['7.3']
	wp-versions: ['5.3']

	name: WP ${{ matrix.wp-versions }} with PHP ${{ matrix.php-versions }} on ${{ matrix.operating-system }}.

	env:
	WP_TESTS_DIR: "/tmp/tests/phpunit"
	WP_CORE_DIR: "/tmp/wordpress-develop"
	IMAGIFY_TESTS_API_KEY: ${{ secrets.IMAGIFY_TESTS_API_KEY }}

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	extensions: mysqli
	coverage: none # XDebug can be enabled here 'coverage: xdebug'
	tools: composer:v2

	- name: Start mysql service
	run: sudo /etc/init.d/mysql start

	- name: Mysql8 auth plugin workaround
	run: sudo mysql -u root -proot -e "ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';"

	- name: Setup problem matchers for PHP
	run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"

	- name: Setup problem matchers for PHPUnit
	run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"

	- name: Remove unmet dependencies by legacy versions
	run: composer remove --dev --no-scripts coenjacobs/mozart

	- name: Install dependencies
	run: composer install --prefer-dist --no-interaction --no-scripts

	- name: Install tests
	run: bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1:3306 ${{ matrix.wp-versions }}

	- name: Test
	run: composer run-tests

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