Fatal error: Uncaught Error: Class "Symfony\Component\Form\Test\FormIntegrationTestCase" not found in C:\xampp\htdocs\bateriasec\vendor\symfony\form\Test\TypeTestCase.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bateriasec\vendor\symfony\form\Test\TypeTestCase.php on line 18