diff --git a/core/modules/system/src/Tests/Update/LocalActionsAndTasksConvertedIntoBlocksUpdateTest.php b/core/modules/system/src/Tests/Update/LocalActionsAndTasksConvertedIntoBlocksUpdateTest.php
index 8b4e3de..6e5c049 100644
--- a/core/modules/system/src/Tests/Update/LocalActionsAndTasksConvertedIntoBlocksUpdateTest.php
+++ b/core/modules/system/src/Tests/Update/LocalActionsAndTasksConvertedIntoBlocksUpdateTest.php
@@ -41,6 +41,12 @@ public function testUpdateHookN() {
     $this->runUpdates();
     $this->assertRaw('Because your site has custom theme(s) installed, we had to set local actions and tasks blocks into the content region. Please manually review the block configurations and remove the removed variables from your templates.');
 
+    // Disable maintenance mode.
+    \Drupal::state()->set('system.maintenance_mode', FALSE);
+
+    // We finished updating so we can login the user now.
+    $this->drupalLogin($this->rootUser);
+
     $page = Node::create([
       'type' => 'page',
       'title' => 'Page node',