(t) {
    var completed = 0;
    var testCount = 2;
    return function (actual, expected) {
      assert_equals(actual, expected);
      if (++completed >= testCount) {
        t.done();
      }
    }
  }(t));

  prefixedStorage.onSet('isTop', t.step_func(e => {
    testFunc(e.newValue, 'false');
  }));
  prefixedStorage.onSet('name', t.step_func(e => {
    testFunc(e.newValue, 'parentWin');
  }));
  iframe = document.createElement('iframe');
  iframe.src = prefixedStorage.url('resources/choose-_parent-004