* Fix vyos signatures to match new versions
* Fix test cases referring to 'updates' instead of 'commands'
* I think this is an artifact of `connection: network_cli`?
When using AWS we have to use the full domain name in the inventory file, which
we rather than the short name. This change avoids that ending up being
set in the tests.
This change corrects problems reported by the `yamllint` linter.
Since key duplication problems were removed in 4d48711, this commit
mainly fixes trailing spaces and extra empty lines at beginning/end of
files.