Add molecule test for role

Only test default installation with jbig2enc and sqlite

ansible/molecule/default/converge.yml

@@ -0,0 +1,7 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+    - name: "Include ansible"
+      include_role:
+        name: "ansible"

ansible/molecule/default/molecule.yml

@@ -0,0 +1,21 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+platforms:
+  - name: debian_buster
+    image: jrei/systemd-debian:10
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    tmpfs:
+      - /tmp
+      - /run
+      - /run/lock
+    override_command: False
+  # debian 9 stretch only has Python 3.5 which is EOL and breaks multiple dependencies
+provisioner:
+  name: ansible
+verifier:
+  name: ansible

ansible/molecule/default/verify.yml

@@ -0,0 +1,14 @@
+---
+# This is an example playbook to execute Ansible tests.
+
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+  - name: check if webserver is up
+    uri:
+      url: http://localhost:8000
+      status_code: [200, 302]
+      return_content: yes
+    register: landingpage
+    failed_when: "'Sign in</button>' not in landingpage.content"