Fatal error: Uncaught Error: Class 'Masterminds\HTML5\Tests\TestCase' not found in /home/luxurytr/public_html/lt8/vendor/masterminds/html5/test/HTML5/Serializer/OutputRulesTest.php:8 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/masterminds/html5/test/HTML5/Serializer/OutputRulesTest.php on line 8