karma-requirejs 
Adapter for the RequireJS framework.
Check out examples on how to configure RequireJS with Karma:
- Karma's e2e test https://github.com/karma-runner/karma/tree/master/test/e2e/requirejs
- Karma's docs http://karma-runner.github.io/0.8/plus/RequireJS.html
- Kim's example project https://github.com/kjbekkelund/karma-requirejs
For more information on Karma see the homepage.