diff --git a/aio/karma.conf.js b/aio/karma.conf.js
index 6fd5f2f79b..52526b99f1 100644
--- a/aio/karma.conf.js
+++ b/aio/karma.conf.js
@@ -14,6 +14,9 @@ module.exports = function (config) {
       require('@angular-devkit/build-angular/plugins/karma'),
       {'reporter:jasmine-seed': ['type', JasmineSeedReporter]},
     ],
+    proxies: {
+      '/dummy/image': 'src/assets/images/logos/angular/angular.png',
+    },
     client: {
       clearContext: false,  // leave Jasmine Spec Runner output visible in browser
       jasmine: {
diff --git a/aio/src/app/custom-elements/announcement-bar/announcement-bar.component.spec.ts b/aio/src/app/custom-elements/announcement-bar/announcement-bar.component.spec.ts
index 99df0564ee..ddd274d0b2 100644
--- a/aio/src/app/custom-elements/announcement-bar/announcement-bar.component.spec.ts
+++ b/aio/src/app/custom-elements/announcement-bar/announcement-bar.component.spec.ts
@@ -88,7 +88,7 @@ describe('AnnouncementBarComponent', () => {
   describe('rendering', () => {
     beforeEach(() => {
       component.announcement = {
-        imageUrl: 'link/to/image',
+        imageUrl: 'dummy/image',
         linkUrl: 'link/to/website',
         message: 'this is an <b>important</b> message',
         endDate: '2018-03-01',
@@ -102,7 +102,7 @@ describe('AnnouncementBarComponent', () => {
     });
 
     it('should display an image', () => {
-      expect(element.querySelector('img')!.src).toContain('link/to/image');
+      expect(element.querySelector('img')!.src).toContain('dummy/image');
     });
 
     it('should display a link', () => {