--- a/firefox/tests/functional/manifest.ini
+++ b/firefox/tests/functional/manifest.ini
@@ -11,14 +11,14 @@ server-root = ../../../data
 #[include:testFormManager/manifest.ini]
 #[include:testGeolocation/manifest.ini]
 #[include:testInstallation/manifest.ini]
 #[include:testPasswordManager/manifest.ini]
 #[include:testPopups/manifest.ini]
 #[include:testPreferences/manifest.ini]
 #[include:testPrivateBrowsing/manifest.ini]
 #[include:testSearch/manifest.ini]
-#[include:testSecurity/manifest.ini]
+[include:testSecurity/manifest.ini]
 #[include:testSessionStore/manifest.ini]
 #[include:testTabView/manifest.ini]
 #[include:testTabbedBrowsing/manifest.ini]
 #[include:testTechnicalTools/manifest.ini]
 #[include:testToolbar/manifest.ini]