Error: You need to include some adapter that implements __karma__.start method

Question

I\'m trying to add some unit tests to one of my projects.

So far I\'ve installed and configured karma, and have installed jasmine. I\'ve one test file in my te

Answer 1

In my case, I was applying by mistake the commonjs preprocessor to the karma-* modules and the adapter.js from karma-chrome and karma-firefox was broken this way.

Unfortunately, this is a very generic error.