Fatal error: Uncaught Error: Class "Drupal\Tests\views\Kernel\Handler\FieldFieldAccessTestBase" not found in /home/www/drupal8/test/core/modules/file/tests/src/Kernel/Views/FileViewsFieldAccessTest.php:15 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/file/tests/src/Kernel/Views/FileViewsFieldAccessTest.php on line 15