Report all PHP errors in unit tests

Author: JanJakes

.github/workflows/phpunit-tests-run.yml

@@ -35,6 +35,7 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: '${{ inputs.php }}'
+          ini-values: error_reporting=E_ALL, display_errors=On, display_startup_errors=On
           tools: phpunit-polyfills
 
       - name: Install Composer dependencies