Fatal error: Uncaught Error: Class "Masterminds\HTML5\Tests\TestCase" not found in /home/pataplou/www/patrick/pataplouf/vendor/masterminds/html5/test/HTML5/Serializer/OutputRulesTest.php:9 Stack trace: #0 {main} thrown in /home/pataplou/www/patrick/pataplouf/vendor/masterminds/html5/test/HTML5/Serializer/OutputRulesTest.php on line 9