Correction:
48:00 - Rather than Sinon mocks and spies as opposed to the funtionality provided by Jasmine.

Reference Links
Sinon.js - http://sinonjs.org/
Test Double - https://github.com/testdouble/testdouble.js
Spock - http://docs.spockframework.org
Spock: Up and Running - http://shop.oreilly.com/product/0636920038597.do

Music Recommendations
Tacocat - https://tacocat.bandcamp.com
Every Time I Die - http://www.everytimeidie.net/
Major Lazer - http://majorlazer.com/
Santigold - http://tumblr.santigold.com/
Leaving Haven - http://leavinghaven.com/
Breaking Benjamin - http://breakingbenjamin.com/
Kate Jackson - http://www.katejackson.co.uk/home
Alexandra Savior - https://www.youtube.com/watch?v=FaeqiQezvX0

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