Testing setup PHP: working version 1 - using only phpunit-polyfills

.github/workflows/tests.yml

@@ -112,24 +112,16 @@ jobs:
           fi
 
       - name: Set up PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@develop
         with:
           php-version: ${{ matrix.php }}
           coverage: ${{ steps.set_cov.outputs.COV }}
           ini-values: sendmail_path=/usr/sbin/sendmail -t -i, error_reporting=E_ALL, display_errors=On
           extensions: imap, mbstring, intl, ctype, filter, hash
+          tools: phpunit-polyfills
 
-      # Install dependencies and handle caching in one go.
-      # @link https://github.com/marketplace/actions/install-composer-dependencies
-      - name: Install PHP packages - normal
-        if: ${{ matrix.php != '8.1' }}
-        uses: "ramsey/composer-install@v1"
-
-      - name: Install PHP packages - ignore-platform-reqs
-        if: ${{ matrix.php == '8.1' }}
-        uses: "ramsey/composer-install@v1"
-        with:
-          composer-options: --ignore-platform-reqs
+      - name: Dump autoload
+        run: composer dump-autoload --dev
 
       # Install postfix and automatically retry if the install failed, which happens reguarly.
       # @link https://github.com/marketplace/actions/retry-step
@@ -155,11 +147,11 @@ jobs:
 
       - name: Run tests, no code coverage
         if: ${{ matrix.coverage == false }}
-        run: ./vendor/bin/phpunit --no-coverage
+        run: phpunit --no-coverage
 
       - name: Run tests with code coverage
         if: ${{ matrix.coverage == true }}
-        run: vendor/bin/phpunit
+        run: phpunit
 
       - name: Send coverage report to Codecov
         if: ${{ success() && matrix.coverage == true }}