Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Tests\Functional\AbstractWebTestCase' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\KernelBrowserTest.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\framework-bundle\Tests\KernelBrowserTest.php on line 18