This is a practice run at a UtahJS meetup (https://www.meetup.com/UtahJS/events/246047733/) for my talk:

Automated tests are an important part of raising your confidence when releasing software. They can speed you up or slow you down depending on how you write them and which form of testing you focus your test writing on. In this talk, we’ll cover the value of automated testing and where your efforts should be focused to strike the best balance of confidence and effort.