diff --git a/ponyracer/e2e/app.e2e-spec.ts b/ponyracer/e2e/app.e2e-spec.ts
index 98c1d470a..605376d44 100644
--- a/ponyracer/e2e/app.e2e-spec.ts
+++ b/ponyracer/e2e/app.e2e-spec.ts
@@ -7,10 +7,8 @@ describe('ponyracer App', () => {
     page = new PonyracerPage();
   });
 
-  it('should display welcome message', done => {
+  it('should display welcome message', () => {
     page.navigateTo();
-    page.getParagraphText()
-      .then(msg => expect(msg).toEqual('Welcome to app!!'))
-      .then(done, done.fail);
+    expect(page.getParagraphText()).toEqual('Welcome to app!!');
   });
 });
diff --git a/ponyracer/package.json b/ponyracer/package.json
index b97a893f1..e87d742fc 100644
--- a/ponyracer/package.json
+++ b/ponyracer/package.json
@@ -26,7 +26,7 @@
     "zone.js": "^0.8.4"
   },
   "devDependencies": {
-    "@angular/cli": "1.2.0-beta.0",
+    "@angular/cli": "1.2.0-beta.1",
     "@angular/compiler-cli": "^4.0.0",
     "@angular/language-service": "^4.0.0",
     "@types/jasmine": "2.5.45",
diff --git a/ponyracer/src/polyfills.ts b/ponyracer/src/polyfills.ts
index fd01cc9f1..7831e97b7 100644
--- a/ponyracer/src/polyfills.ts
+++ b/ponyracer/src/polyfills.ts
@@ -37,16 +37,15 @@
 /** IE10 and IE11 requires the following for NgClass support on SVG elements */
 // import 'classlist.js';  // Run `npm install --save classlist.js`.
 
-/** IE10 and IE11 requires the following to support `@angular/animation`. */
-// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
-
-
 /** Evergreen browsers require these. **/
 import 'core-js/es6/reflect';
 import 'core-js/es7/reflect';
 
 
-/** ALL Firefox browsers require the following to support `@angular/animation`. **/
+/**
+ * Required to support Web Animations `@angular/animation`.
+ * Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation
+ **/
 // import 'web-animations-js';  // Run `npm install --save web-animations-js`.