Karma Start Fails - HeadlessChrome - ERROR Uncaught [object Object]

Question

I am using Karma to run test on my Angular 4 app. It works locally but when it runs on my host environment (Travis CI) it fails with the following informati

Answer 1

This is what fixed it for me:

I searched the whole project for occurrences of HttpClientModule in all *.spec.ts files. Turned out I had a few!

Then I replaced all occurrences of

import { HttpClientModule } from '@angular/common/http';

with

import { HttpClientTestingModule } from '@angular/common/http/testing';

And then I made sure that the entry in the imports array of each of my test's TestBed.configureTestingModule was changed from HttpClientModule to HttpClientTestingModule.

And finally I turned my Wifi off and ran the tests again. And voilà: It worketh!