diff -r 000000000000 -r 6474c204b198 js/xpconnect/tests/unit/test_watchdog_default.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/xpconnect/tests/unit/test_watchdog_default.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+/* 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/. */
+
+function testBody() {
+  // Check that we properly implement whatever behavior is specified by the
+  // default profile for this configuration.
+  checkWatchdog(isWatchdogEnabled(), continueTest);
+  yield;
+  do_test_finished();
+  yield;
+}