Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\Sistemas_gerais\code-ticket-responsivo\vendor\symfony\yaml\Tests\DumperTest.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Sistemas_gerais\code-ticket-responsivo\vendor\symfony\yaml\Tests\DumperTest.php on line 18