Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\Ampps\www\CAS\vendor\soundasleep\html2text\tests\Html2TextTest.php:5 Stack trace: #0 {main} thrown in E:\Ampps\www\CAS\vendor\soundasleep\html2text\tests\Html2TextTest.php on line 5