This is missing a lot of information on how those are written. Something like this?

[binhle113]

This is missing a lot of information on how those are written. Something like this?

The GUI tests are in the directory tests/gui in text files with the .goml extension. These tests are run using a node.js program called browser-ui-test. You can find documentation for this language on its repository.

Originally posted by @notriddle in https://github.com/rust-lang/mdBook/pull/2476#discussion_r1854649410