only in patch2:
unchanged:
--- a/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
+++ b/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
@@ -30,8 +30,7 @@ protected function setDatabaseDumpFiles() {
    * Tests that the content and configuration were properly updated.
    */
   public function testUpdatedSite() {
-    // @todo there are no updates to run.
-    //$this->runUpdates();
+    $this->runUpdates();
 
     $spanish = \Drupal::languageManager()->getLanguage('es');