Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\ExamplesTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\api_kpl\vendor\spipu\html2pdf\Tests\ExamplesTest.php on line 20