This tool generates Puppeteer Testcases which are coded using the libraries Mocha, Chai, Resemble and Puppeteer.

One can add, edit, remove and update testcases using saved configuration files (JSON).

It is part of DevTools' Elements Panel Sidebar. Appear as "Autoto"

One can use import icon to generate CSS Selector of a given node.

One can add screens specific to a DOM element

One can also add regular DOM events and assertions.

One can download the JSON configuration and Puppeteer testcases using download and copy buttons.