diff --git a/core/modules/node/src/Tests/PagePreviewTest.php b/core/modules/node/src/Tests/PagePreviewTest.php
index f8c6c7b..d47212e 100644
--- a/core/modules/node/src/Tests/PagePreviewTest.php
+++ b/core/modules/node/src/Tests/PagePreviewTest.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\node\Tests;
 
+use Drupal\comment\Tests\CommentTestTrait;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Language\LanguageInterface;
@@ -20,14 +21,15 @@
  */
 class PagePreviewTest extends NodeTestBase {
 
+  use CommentTestTrait;
   use EntityReferenceTestTrait;
 
   /**
-   * Enable the node and taxonomy modules to test both on the preview.
+   * Enable the node, taxonomy and comment modules to test on the preview.
    *
    * @var array
    */
-  public static $modules = array('node', 'taxonomy');
+  public static $modules = array('node', 'taxonomy', 'comment');
 
   /**
    * The name of the created field.
@@ -39,7 +41,7 @@ class PagePreviewTest extends NodeTestBase {
   protected function setUp() {
     parent::setUp();
 
-    $web_user = $this->drupalCreateUser(array('edit own page content', 'create page content'));
+    $web_user = $this->drupalCreateUser(array('edit own page content', 'create page content', 'post comments'));
     $this->drupalLogin($web_user);
 
     // Add a vocabulary so we can test different view modes.
@@ -75,6 +77,8 @@ protected function setUp() {
     );
     $this->createEntityReferenceField('node', 'page', $this->fieldName, 'Tags', 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
 
+    $this->addDefaultCommentField('node', 'page');
+
     entity_get_form_display('node', 'page', 'default')
       ->setComponent($this->fieldName, array(
         'type' => 'entity_reference_autocomplete_tags',