message: test(upgrade): fix an IE9 timer issue in downgrade module tests
diff: @@ -10,6 +10,7 @@ import {Component, Inject, Injector, Input, NgModule, NgZone, OnChanges, Provide
  import {async, fakeAsync, tick} from '@angular/core/testing';
  import {BrowserModule} from '@angular/platform-browser';
  import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
  +import {browserDetection} from '@angular/platform-browser/testing/src/browser_util';
  import * as angular from '@angular/upgrade/src/common/angular1';
  import {$ROOT_SCOPE, INJECTOR_KEY, LAZY_MODULE_REF} from '@angular/upgrade/src/common/constants';
  import {LazyModuleRef} from '@angular/upgrade/src/common/util';
  @@ -298,6 +299,7 @@ export function main() {
  ngDoBootstrap() {}
  }
  + const tickDelay = browserDetection.isIE ? 100 : 0;
  const bootstrapFn = (extraProviders: Provider[]) =>
  platformBrowserDynamic(extraProviders).bootstrapModule(Ng2Module);
  const lazyModuleName = downgradeModule<Ng2Module>(bootstrapFn);
  @@ -311,8 +313,8 @@ export function main() {
  const $rootScope = $injector.get($ROOT_SCOPE) as angular.IRootScopeService;
  $rootScope.$apply('showNg2 = true');
  - tick(); // Wait for the module to be bootstrapped and `$evalAsync()` to propagate
  - // inputs.
  + tick(tickDelay); // Wait for the module to be bootstrapped and `$evalAsync()` to
  + // propagate inputs.
  const injector = ($injector.get(LAZY_MODULE_REF) as LazyModuleRef).injector !;
  const injectorGet = injector.get;
  @@ -327,7 +329,7 @@ export function main() {
  expect(element.textContent).toBe('');
  $rootScope.$apply('showNg2 = true');
  - tick(); // Wait for `$evalAsync()` to propagate inputs.
  + tick(tickDelay); // Wait for `$evalAsync()` to propagate inputs.
  expect(element.textContent).toBe('Count: 2 | In the zone: true');
  $rootScope.$destroy();
  