diff --git a/tests/unit/framework/helpers/HtmlTest.php b/tests/unit/framework/helpers/HtmlTest.php
index 0399a4e..018a820 100644
--- a/tests/unit/framework/helpers/HtmlTest.php
+++ b/tests/unit/framework/helpers/HtmlTest.php
@@ -17,6 +17,9 @@ class HtmlTest extends TestCase
 					'class' => 'yii\web\Request',
 					'url' => '/test',
 				),
+				'response' => array(
+					'class' => 'yii\web\Response',
+				),
 			),
 		));
 	}