diff -r 000000000000 -r 6474c204b198 toolkit/identity/tests/unit/test_load_modules.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/identity/tests/unit/test_load_modules.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+/* 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/. */
+
+const modules = [
+  "Identity.jsm",
+  "IdentityProvider.jsm",
+  "IdentityStore.jsm",
+  "jwcrypto.jsm",
+  "RelyingParty.jsm",
+  "Sandbox.jsm",
+];
+
+function run_test() {
+  for each (let m in modules) {
+    let resource = "resource://gre/modules/identity/" + m;
+    Components.utils.import(resource, {});
+    do_print("loaded " + resource);
+  }
+}