Fatal error: Uncaught Error: Class "Drupal\Tests\Component\DependencyInjection\ContainerTest" not found in /home/www/drupal8/test/core/tests/Drupal/Tests/Component/DependencyInjection/PhpArrayContainerTest.php:11 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/tests/Drupal/Tests/Component/DependencyInjection/PhpArrayContainerTest.php on line 11