Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\astra-backoffice\vendor\masterminds\html5\test\HTML5\TestCase.php:8
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\astra-backoffice\vendor\masterminds\html5\test\HTML5\TestCase.php on line 8