diff --git a/core/modules/config/src/Tests/ConfigEntityListTest.php b/core/modules/config/src/Tests/ConfigEntityListTest.php
index d0dd3b8..9cf9bc8 100644
--- a/core/modules/config/src/Tests/ConfigEntityListTest.php
+++ b/core/modules/config/src/Tests/ConfigEntityListTest.php
@@ -67,9 +67,9 @@ function testList() {
         'weight' => 100,
           'attributes' => array(
             'class' => array('use-ajax'),
-            'data-accepts' => 'application/vnd.drupal-modal',
+            'data-dialog-type' => 'modal',
             'data-dialog-options' => Json::encode(array(
-            'width' => 'auto',
+              'width' => 'auto',
           )),
         ),
         'url' => $entity->urlInfo('delete-form'),
@@ -144,7 +144,7 @@ function testList() {
         'weight' => 100,
         'attributes' => array(
           'class' => array('use-ajax'),
-          'data-accepts' => 'application/vnd.drupal-modal',
+          'data-dialog-type' => 'modal',
           'data-dialog-options' => Json::encode(array(
             'width' => 'auto',
           )),
diff --git a/core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php b/core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php
index ac85c77..3a59e68 100644
--- a/core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php
+++ b/core/modules/views/tests/src/Kernel/Plugin/RowRenderCacheTest.php
@@ -2,6 +2,8 @@
 
 namespace Drupal\Tests\views\Kernel\Plugin;
 
+use Drupal\Component\Serialization\Json;
+use Drupal\Component\Utility\Html;
 use Drupal\Core\Session\AccountInterface;
 use Drupal\node\Entity\Node;
 use Drupal\node\Entity\NodeType;
@@ -181,7 +183,7 @@ protected function doTestRenderedOutput(AccountInterface $account, $check_cache
       $this->assertEqual($output, $expected);
       $expected = $access ? '  <div class="dropbutton-wrapper"><div class="dropbutton-widget"><ul class="dropbutton">' .
         '<li><a href="' . $node_url . '/edit?destination=/" hreflang="en">Edit</a></li>' .
-        '<li><a href="' . $node_url . '/delete?destination=/" hreflang="en">Delete</a></li>' .
+        '<li><a href="' . $node_url . '/delete?destination=/" class="use-ajax" data-dialog-type="modal" data-dialog-options="' . Html::escape(Json::encode(['width' => 'auto'])) . '" hreflang="en">Delete</a></li>' .
         '</ul></div></div>' : '';
       $output = $view->style_plugin->getField($index, 'operations');
       $this->assertEqual($output, $expected);