Issue #3426100: Declare missing FillPdfFormFormTest::$testNode

tests/src/Functional/FillPdfFormFormTest.php

@@ -13,6 +13,13 @@ use Drupal\user\Entity\Role;
  */
 class FillPdfFormFormTest extends FillPdfUploadTestBase {
 
+  /**
+   * The test node.
+   *
+   * @var \Drupal\node\NodeInterface
+   */
+  protected $testNode;
+
   /**
    * {@inheritdoc}
    */