Comment 5 for bug 1727693

The underlying assumptions around how juju should treat information found in distro-info-data definitely needs verified and proven as part of a unit test. As it stands, I think there is still an edge case or two that afaik haven't been asserted against or coded for inside of juju. Without unit tests, these edge cases aren't considered in the codebase. Functional testing can't be depended upon to completely provide coverage for edge cases; this bug is proof of that.