Cu.import("resource://services-sync/util.js"); Cu.import("resource://services-sync/ext/StringBundle.js"); function run_test() { let fn = Utils.lazyStrings("sync"); do_check_eq(typeof fn, "function"); let bundle = fn(); do_check_true(bundle instanceof StringBundle); let url = bundle.url; do_check_eq(url, "chrome://weave/locale/services/sync.properties"); }