var Cc = Components.classes; var Ci = Components.interfaces; var Cu = Components.utils; function run_test() { var prefs = Cc["@mozilla.org/preferences-service;1"].getService(Ci.nsIPrefBranch); prefs.setBoolPref("geo.wifi.scan", false); prefs.setCharPref("geo.wifi.uri", "UrlNotUsedHere"); prefs.setBoolPref("dom.testing.ignore_ipc_principal", true); run_test_in_child("./test_geolocation_position_unavailable.js"); }