Fatal error: Uncaught Error: Interface "Drupal\Core\PageCache\ChainResponsePolicyInterface" not found in /home/www/drupal8/test/core/lib/Drupal/Core/PageCache/ChainResponsePolicy.php:20
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/lib/Drupal/Core/PageCache/ChainResponsePolicy.php on line 20