Document Unit Testing Best Practices

[ColbyTresness]

Write a blog post or some documentation for JS similar to what @jeffhollan did for C# here: https://medium.com/microsoftazure/serverless-devops-and-ci-cd-part-1-f76f0357cba4?source=linkShare-dd6e3fb74d52-1533570244

[jeffhollan]

FYI also did same scenario in JavaScript if you wanna check it out to help:
https://github.com/jeffhollan/functions-test-samples/blob/master/JavaScriptOddOrEven/test/oddOrEvenQueueTest.js