https://api.drupal.org/api/drupal/core%21modules%21views_ui%21tests%21src%21Functional%21UnsavedPreviewTest.php/class/UnsavedPreviewTest/11.x
class UnsavedPreviewTest | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21modules%21views_ui%21tests%21src%21Functional%21UnsavedPreviewTest.php/function/UnsavedPreviewTest%3A%3AsetUp/11.x
function UnsavedPreviewTest::setUp | Drupal API
functionsetupdrupalapi