Fatal error: Uncaught Error: Class "Drupal\Tests\views\Kernel\ViewsKernelTestBase" not found in /home/qcsvlel/www/core/modules/user/tests/src/Kernel/Views/ArgumentValidateTest.php:19 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/user/tests/src/Kernel/Views/ArgumentValidateTest.php on line 19