Fatal error: Uncaught Error: Class "Drupal\Tests\user\Kernel\Views\UserKernelTestBase" not found in /home/qcsvlel/www/core/modules/user/tests/src/Kernel/Views/HandlerFieldPermissionTest.php:15 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/user/tests/src/Kernel/Views/HandlerFieldPermissionTest.php on line 15