Fatal error: Uncaught Error: Class 'Drupal\my_module\Example\MyUrlHelper' not found in /home/mobiledeit/www_gesmat/vendor/drupal/coder/tests/Drupal/Classes/FullyQualifiedNamespaceUnitTest.api.php:4 Stack trace: #0 {main} thrown in /home/mobiledeit/www_gesmat/vendor/drupal/coder/tests/Drupal/Classes/FullyQualifiedNamespaceUnitTest.api.php on line 4