Earlier quoted context omitted.
Recently I started trying something new for our interviews. I start with a phone interview that is more about discussing their background, expertise, what they need to feel productive, and explain the role. If I think they’d be a good culture and expertise fit, I send them something like this (I’ve made a few): https://gist.github.com/tywalch/cf60e4c942ab6a80e481f4ba6754... . It’s a small “api service” that represent…
TL;DR: you're testing for likability and other emotional response.
It’s a well-rounded examination of how someone can contribute to the development of a product. That such a well-rounded assessment happens to include examining your likability or “other emotional response” is just a byproduct of testing how well someone interfaces with other humans - part of the job almost always.