diff --git a/core/modules/language/tests/Drupal/language/Tests/LanguageNegotiationUrlTest.php b/core/modules/language/tests/Drupal/language/Tests/LanguageNegotiationUrlTest.php
index dbcda9d..b47b537 100644
--- a/core/modules/language/tests/Drupal/language/Tests/LanguageNegotiationUrlTest.php
+++ b/core/modules/language/tests/Drupal/language/Tests/LanguageNegotiationUrlTest.php
@@ -82,9 +82,7 @@ public function testDomain($http_host, $domains, $expected_langcode) {
       ->with('url')
       ->will($this->returnValue($config_data));
 
-    $config = $this->getMockBuilder('Drupal\Core\Config\ConfigFactory')
-      ->disableOriginalConstructor()
-      ->getMock();
+    $config = $this->getMock('Drupal\Core\Config\ConfigFactoryInterface');
     $config->expects($this->any())
       ->method('get')
       ->with('language.negotiation')