container-engine: factorize molecule testing infra

roles/container-engine/cri-dockerd/molecule/default/molecule.yml

@@ -27,5 +27,6 @@ provisioner:
         become: true
   playbooks:
     create: ../../../../../tests/cloud_playbooks/create-kubevirt.yml
+    prepare: ../../../molecule/prepare.yml
 verifier:
   name: testinfra

roles/container-engine/cri-dockerd/molecule/default/prepare.yml

@@ -1,48 +0,0 @@
----
-- name: Prepare
-  hosts: all
-  become: true
-  roles:
-    - role: kubespray_defaults
-    - role: bootstrap_os
-    - role: adduser
-      user: "{{ addusers.kube }}"
-  tasks:
-    - name: Download CNI
-      include_tasks: "../../../../download/tasks/download_file.yml"
-      vars:
-        download: "{{ download_defaults | combine(downloads.cni) }}"
-
-- name: Prepare container runtime
-  hosts: all
-  become: true
-  vars:
-    container_manager: containerd
-    kube_network_plugin: cni
-  roles:
-    - role: kubespray_defaults
-    - role: network_plugin/cni
-  tasks:
-    - name: Copy test container files
-      copy:
-        src: "{{ item }}"
-        dest: "/tmp/{{ item }}"
-        owner: root
-        mode: "0644"
-      with_items:
-        - container.json
-        - sandbox.json
-    - name: Create /etc/cni/net.d directory
-      file:
-        path: /etc/cni/net.d
-        state: directory
-        owner: "{{ kube_owner }}"
-        mode: "0755"
-    - name: Setup CNI
-      copy:
-        src: "{{ item }}"
-        dest: "/etc/cni/net.d/{{ item }}"
-        owner: root
-        mode: "0644"
-      with_items:
-        - 10-mynet.conf