https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Form%21FormDefaultHandlersTest.php/function/FormDefaultHandlersTest%3A%3AvalidateForm/11.x
function FormDefaultHandlersTest::validateForm | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21tests%21Drupal%21KernelTests%21Core%21Form%21FormDefaultHandlersTest.php/9
FormDefaultHandlersTest.php | Drupal API
phpdrupalapi