Karma Growly Reporter sends Growl notifications for Karma errors.
It can be configured to send notifications to a remote computer (e.g. for those running the development environment on a virtual machine).
npm install karma-growly-reporter --save-dev
In Growl Preferences
listen for incoming connection checkbox on the Network tab must be switched on.
This tab also shows your host IP and port used by Growl.
To configure a destination (which is by default set to 'localhost:23053'), create
karma-growly-reporter.json file with the following format: