"use strict"; const PREF = 'network.cookie.cookieBehavior'; const PAGE_URL = 'http://mochi.test:8888/browser/' + 'browser/components/sessionstore/test/browser_1234021_page.html'; const BEHAVIOR_REJECT = 2; add_task(function* test() { yield pushPrefs([PREF, BEHAVIOR_REJECT]); yield BrowserTestUtils.withNewTab({ gBrowser: gBrowser, url: PAGE_URL }, function* handler(aBrowser) { yield TabStateFlusher.flush(aBrowser); ok(true, "Flush didn't time out"); }); });