On 23-07-2022 12:31, Hilton Chain via Guix-patches via wrote:
> +    (arguments (list #:tests? #f)) ;a working X environment is needed to run the tests

You can make a working X environment with "xvfb-run -- the-test-command" 
or with (IIRC) "Xvfb :1&" + (sleep 1) (preferably the former, as the 
latter is racy) -- search with "git grep -F xvfb-run" or "git grep -F 
Xvfb" for examples.

Greetings,
Maxime.