diff --git a/modules/angular2/src/test_lib/test_bed.js b/modules/angular2/src/test_lib/test_bed.js
index <HASH>..<HASH> 100644
--- a/modules/angular2/src/test_lib/test_bed.js
+++ b/modules/angular2/src/test_lib/test_bed.js
@@ -116,6 +116,7 @@ export class ViewProxy {
 
   detectChanges(): void {
     this._view.changeDetector.detectChanges();
+    this._view.changeDetector.checkNoChanges();
   }
 
   querySelector(selector) {
test: changed test bed to run change detection twice to make sure there are no changes second time

Closes #<I>