Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\CrossVersionCompatibility\PhpUnit5\ExceptionFormatterTestCase.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\CrossVersionCompatibility\PhpUnit5\ExceptionFormatterTestCase.php on line 17