How to fix “Cannot read property ‘failedExpectations’ of undefined”

While running Karma unit tests, you might run into the following error: Uncaught TypeError: Cannot read property ‘failedExpectations’ of undefined. The cryptic error message might be a pain in the butt to debug, so let me save you some time. In your tests, look for reassignment of the result variable. You are probably overwriting a […]