Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in C:\xampp\htdocs\Sistemas_gerais\code-ticket-responsivo\vendor\symfony\event-dispatcher\Tests\ImmutableEventDispatcherTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Sistemas_gerais\code-ticket-responsivo\vendor\symfony\event-dispatcher\Tests\ImmutableEventDispatcherTest.php on line 20