https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Config%21DefaultConfigTest.php/class/DefaultConfigTest/9
class DefaultConfigTest | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Config%21DefaultConfigTest.php/9
DefaultConfigTest.php | Drupal API
phpdrupalapi