diff --git a/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php b/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
index 37c7255..3e78e91 100644
--- a/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
+++ b/core/tests/Drupal/Tests/Core/Template/TwigExtensionTest.php
@@ -33,7 +33,7 @@ public function testEscaping($template, $expected) {
     $twig = new \Twig_Environment(NULL, array(
       'debug' => TRUE,
       'cache' => FALSE,
-      'autoescape' => TRUE,
+      'autoescape' => 'html',
       'optimizations' => 0
     ));
     $twig->addExtension((new TwigExtension($renderer))->setUrlGenerator($this->getMock('Drupal\Core\Routing\UrlGeneratorInterface')));
@@ -113,7 +113,7 @@ public function testSafeStringEscaping() {
     $twig = new \Twig_Environment(NULL, array(
       'debug' => TRUE,
       'cache' => FALSE,
-      'autoescape' => TRUE,
+      'autoescape' => 'html',
       'optimizations' => 0
     ));
     $twig_extension = new TwigExtension($renderer);