Hmm, the text was cut off. To continue the question: models, controllers, requests, routing and views tests. I also use knockout.js in my application and was

Hmm, the text was cut off. To continue the question: models, controllers, requests, routing and views tests. I also use knockout.js in my application and was hoping to use karma test-runner or a similar javascript testing framework. Which tests should I use and which are not worth the time? What is the right combination?