"use strict"; var gTestTab; var gContentAPI; var gContentWindow; function test() { UITourTest(); } var tests = [ taskify(function*() { ok(!gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader"), "Should not be in reader mode at start of test."); gContentAPI.toggleReaderMode(); yield waitForConditionPromise(() => gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader")); ok(gBrowser.selectedBrowser.currentURI.spec.startsWith("about:reader"), "Should be in reader mode now."); }) ];