Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in C:\xampp\htdocs\orus_\vendor\spipu\html2pdf\Tests\CrossVersionCompatibility\PhpUnit5\AbstractTestCase.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\orus_\vendor\spipu\html2pdf\Tests\CrossVersionCompatibility\PhpUnit5\AbstractTestCase.php on line 7