Tests are supposed to be executed within defined context, such as e.g.
tmt --root . -c arch=x86_64 -c distro=fedora-38 -c trigger=build run ...
FTR: https://tmt.readthedocs.io/en/stable/spec/plans.html#context
This update sets DEBUGINFOD_URLS based on the provided distro
via the ci.fmf file.
