apt_repository: add caddy repo as molecule test

roles/apt_repository/molecule/default/converge.yml

@@ -2,8 +2,8 @@
 - name: Converge
   hosts: all
   tasks:
-    - name: "Include apt_repository"
-      ansible.builtin.import_role:
+    - name: Add docker apt repository
+      ansible.builtin.include_role:
         name: apt_repository
       vars:
         repo_name: docker
@@ -12,3 +12,14 @@
         repo_arch: "{{ apt_arch }}"
         repo_components:
           - stable
+
+    - name: Add caddy apt repository
+      ansible.builtin.include_role:
+        name: apt_repository
+      vars:
+        repo_name: caddy-stable
+        repo_url: https://dl.cloudsmith.io/public/caddy/stable/deb/debian
+        repo_key_url: https://dl.cloudsmith.io/public/caddy/stable/gpg.key
+        repo_suite: any-version
+        repo_components:
+          - main

roles/apt_repository/molecule/default/verify.yml

@@ -7,6 +7,10 @@
       ansible.builtin.slurp:
         src: /etc/apt/sources.list.d/docker.list
       register: docker_repo
+    - name: Get content of caddy source file
+      ansible.builtin.slurp:
+        src: /etc/apt/sources.list.d/caddy-stable.list
+      register: caddy_repo
 
     - name: Ensure docker repo file content is as expected
       ansible.builtin.assert:
@@ -19,3 +23,15 @@
           deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc]
           https://download.docker.com/linux/{{ ansible_distribution | lower }}
           {{ ansible_distribution_release }} stable but it contained {{ docker_repo.content | b64decode }} instead
+
+    - name: Ensure caddy repo file content is as expected
+      ansible.builtin.assert:
+        that: >
+          caddy_repo.content | b64decode == "deb [signed-by=/etc/apt/keyrings/caddy-stable.asc]
+          https://dl.cloudsmith.io/public/caddy/stable/deb/debian
+          any-version main\n"
+        msg: >
+          /etc/apt/sources.list.d/caddy-stable.list should contain
+          deb [signed-by=/etc/apt/keyrings/caddy-stable.asc]
+          https://dl.cloudsmith.io/public/caddy/stable/deb/debian
+          any-version main but it contained {{ docker_repo.content | b64decode }} instead