Fatal error: Uncaught Error: Class "Drupal\Tests\token\Kernel\KernelTestBase" not found in /home/www/drupal8/test/modules/token/tests/src/Kernel/DateTest.php:10
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/modules/token/tests/src/Kernel/DateTest.php on line 10