/usr/lib/python3/dist-packages/certbot/tests/testdata/webrootconftest.ini is in python3-certbot 0.23.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | webroot
webroot-path = /tmp
domains = eg.com, eg2.com
|