diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/moz.build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/moz.build	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+if CONFIG['MOZ_BUILD_APP'] != 'mobile':
+    DIRS += ['browser']
+
+    BROWSER_CHROME_MANIFESTS += ['xpinstall/browser.ini']
+    MOCHITEST_MANIFESTS += ['mochitest/mochitest.ini']
+
+XPCSHELL_TESTS_MANIFESTS += [
+    'xpcshell/xpcshell-unpack.ini',
+    'xpcshell/xpcshell.ini',
+]