diff --git a/core/lib/Drupal/Core/Test/TestUpdateRegistry.php b/core/lib/Drupal/Core/Test/TestUpdateRegistry.php
index 841f707..c52462e 100644
--- a/core/lib/Drupal/Core/Test/TestUpdateRegistry.php
+++ b/core/lib/Drupal/Core/Test/TestUpdateRegistry.php
@@ -12,6 +12,11 @@
 class TestUpdateRegistry extends UpdateRegistry {
 
   /**
+   * Constructs a new TestUpdateRegistry.
+   */
+  public function __construct() {}
+
+  /**
    * {@inheritdoc}
    */
   public function getPendingUpdateFunctions() {