diff --git a/tests/src/Functional/FillPdfFormFormTest.php b/tests/src/Functional/FillPdfFormFormTest.php
index 518fa21af6dfed1f74a72df50631c57c9d968604..6cc582adc61f06d9c19c2ca2f9b7f2ee7ecaa188 100644
--- a/tests/src/Functional/FillPdfFormFormTest.php
+++ b/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}
    */