diff --git a/core/modules/system/src/Plugin/Block/SystemMenuBlock.php b/core/modules/system/src/Plugin/Block/SystemMenuBlock.php
index 900f59c..8e123cb 100644
--- a/core/modules/system/src/Plugin/Block/SystemMenuBlock.php
+++ b/core/modules/system/src/Plugin/Block/SystemMenuBlock.php
@@ -9,13 +9,13 @@
 
 use Drupal\Core\Block\BlockBase;
 use Drupal\Core\Cache\Cache;
-use Drupal\Core\Operations\OperationsProviderInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Menu\MenuActiveTrailInterface;
 use Drupal\Core\Menu\MenuLinkTreeInterface;
+use Drupal\Core\Operations\OperationsProviderInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Url;
-use Drupal\Core\Extension\ModuleHandlerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
diff --git a/core/modules/system/src/Tests/Block/SystemMenuBlockTest.php b/core/modules/system/src/Tests/Block/SystemMenuBlockTest.php
index eb0362c..2db3ddb 100644
--- a/core/modules/system/src/Tests/Block/SystemMenuBlockTest.php
+++ b/core/modules/system/src/Tests/Block/SystemMenuBlockTest.php
@@ -190,6 +190,19 @@ public function testSystemMenuBlockConfigDependencies() {
       ),
     );
     $this->assertIdentical($expected, $dependencies);
+  }
+
+  /**
+   * Tests the editing links for SystemMenuBlock.
+   */
+  public function testOperationLinks() {
+
+    $block = entity_create('block', array(
+      'plugin' => 'system_menu_block:' . $this->menu->id(),
+      'region' => 'footer',
+      'id' => 'machinename',
+      'theme' => 'stark',
+    ));
 
     $links = $block->getOperationLinks();
     $menu_link = [