Unify testing builds

Unify Ansible testing builds into a single job
Add a few basic "unit test" Ansible builds
Update dependencies

ansible/roles/init/molecule/ubuntu16/molecule.yml

@@ -0,0 +1,8 @@
+driver:
+  name: vagrant
+  provider:
+    name: libvirt
+platforms:
+  - name: test-ubuntu16-init
+    image: ubuntu:16.04
+    box: generic/ubuntu1604

ansible/roles/init/molecule/ubuntu16/verify.yml

@@ -0,0 +1,11 @@
+- hosts: all
+  tasks:
+    - name: Read init file
+      ansible.builtin.slurp:
+        path: /etc/default/console-setup
+      register: __slurped
+
+    - name: Validate desired string is present
+      assert:
+        that: >-
+          'ACTIVE_CONSOLES="/dev/tty1"' in ( __slurped["content"] | b64decode )