TDD Amazon Alexa / Echo Skills ?

While TDD and unit testing are different things, TDD often relies on a unit testing framework. I have found no articles about TDDing Amazon Alexa a skill, but here are 3 about unit testing a skill:

• Unit Testing an Amazon Alexa-Skill with Node JS and Jasmine
• Unit Testing Alexa Skills
• Developing Alexa Skills Locally with Node JS - Setting up your Local Environment