Update wp-phpunit/wp-phpunit requirement from 6.4.* to 6.4.* || 6.5.* #173

	name: Infection Mutation Testing (Stryker)

	on:
	push:
	branches: [ master, develop, feature/v2-sandbox ]
	pull_request:
	branches: [ master, develop, feature/v2-sandbox ]

	jobs:
	build:
	strategy:
	matrix:
	operating-system: [ubuntu-latest]
	php-versions: [ '7.4']
	runs-on: ${{ matrix.operating-system }}
	services:
	# Setup MYSQL
	mysql-service:
	image: mysql:5.7
	env:
	MYSQL_ROOT_PASSWORD: 'crab'
	MYSQL_DATABASE: pc_core_tests
	ports:
	- 3306:3306
	options: >-
	--health-cmd="mysqladmin ping"
	--health-interval=10s
	--health-timeout=5s
	--health-retries=3
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}
	extensions: mbstring, intl, pcov
	ini-values: post_max_size=256M, log_errors=1
	tools: pecl

	- name: Check PHP Version
	run: php -v

	- name: Clear existing composer
	run: >
	sudo rm -rf vendor
	&& rm -rf composer.lock
	- name: Validate composer.json and composer.lock
	run: composer validate

	- name: Install dependencies
	run: >
	rm -rf composer.lock
	&& composer clearcache
	&& composer require infection/infection
	&& composer require php-stubs/wordpress-stubs:6.4.* --dev --no-update
	&& composer require roots/wordpress:6.4.* --dev --no-update
	&& composer require wp-phpunit/wp-phpunit:6.4.* --dev --no-update
	&& composer update --no-cache

	- name: Run Infection on WP6.4
	env:
	environment_github: true
	STRYKER_DASHBOARD_API_KEY: ${{ secrets.STRYKER_DASHBOARD_API_KEY }}
	run: composer mutation

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