diff --git a/ext/ext_manager/test.php b/ext/ext_manager/test.php
index 5f988134..0998e7b7 100644
--- a/ext/ext_manager/test.php
+++ b/ext/ext_manager/test.php
@@ -4,6 +4,13 @@ class ExtManagerTest extends SCoreWebTestCase {
         $this->get_page('ext_manager');
 		$this->assert_title("Extensions");
 
+        $this->get_page('ext_doc');
+		$this->assert_response(404);
+
+        $this->get_page('ext_doc/ext_manager');
+		$this->assert_title("Documentation for Extension Manager");
+		$this->assert_text("view a list of all extensions");
+
 		$this->log_in_as_admin();
         $this->get_page('ext_manager');
 		$this->assert_title("Extensions");