Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Tests\Loader\AttributeClassLoaderTestCase" not found in C:\xampp\htdocs\r10csm\vendor\symfony\routing\Tests\Loader\AttributeClassLoaderWithAnnotationsTest.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10csm\vendor\symfony\routing\Tests\Loader\AttributeClassLoaderWithAnnotationsTest.php on line 20