Fatal error: Uncaught Error: Class "Drupal\Tests\block_content\Functional\Hal\BlockContentHalJsonAnonTest" not found in /home/www/drupal8/test/core/modules/block_content/tests/src/Functional/Hal/BlockContentHalJsonCookieTest.php:10 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/modules/block_content/tests/src/Functional/Hal/BlockContentHalJsonCookieTest.php on line 10