Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Test\KernelTestCase" not found in /home/ntpcbgtpp/public_html/mat1/tests/Repository/AttachmentContainingDBElementRepositoryTest.php:31 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/tests/Repository/AttachmentContainingDBElementRepositoryTest.php on line 31