Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\plugins\Symfony\Component\Webhook\Test\AbstractRequestParserTestCase.php:22
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\plugins\Symfony\Component\Webhook\Test\AbstractRequestParserTestCase.php on line 22