Change-Id: Iff105f9a491dc6277586c1d53b84747c38feb585

Change-Id: Icb57b908be9c83700274c042185e4481d5ca6ea5

This gives us some test coverage with Ansible Vault.

Change-Id: Ic9db7f84e9f0dcbe69c31b6fff6bda3dfb401a33
Story: 2004959
Task: 39813

Tests various non-default configuration:

* Custom users
* Network interfaces, VLANs, bridges, bonds
* Software RAID
* LVM & docker devicemapper
* timezone
* Package mirrors
* yum-cron / DNF automatic

This improved test coverage allows us to be more confident about these
features working on CentOS 8.

Change-Id: I36148e4356deb7d5ec00d8d3ebeb2d3932ff4f94
Story: 2006574
Task: 38938