https://api.drupal.org/api/drupal/core%21modules%21views_ui%21tests%21src%21Functional%21RedirectTest.php/11.x
RedirectTest.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21system%21tests%21src%21Functional%21Form%21RedirectTest.php/property/RedirectTest%3A%3AdefaultTheme/11.x
RedirectTest::$defaultTheme | Drupal API
drupalapi