diff --git a/defaults/main.yml b/defaults/main.yml
index 861dc85..57588de 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,5 +1,3 @@
 ---
 # defaults file for import_vault_root_ca
-import_vault_root_ca_certificate_list:
-  - url: "https://openstack01.ednz.fr:8200/v1/ednz-root-ca/ca"
-    cert_name: "ednz_ca"
+import_vault_root_ca_certificate_list: {}
diff --git a/molecule/with_custom_ca/converge.yml b/molecule/with_custom_ca/converge.yml
new file mode 100644
index 0000000..a49f5c4
--- /dev/null
+++ b/molecule/with_custom_ca/converge.yml
@@ -0,0 +1,7 @@
+---
+- name: Converge
+  hosts: all
+  tasks:
+    - name: "Include ednxzu.import_vault_root_ca"
+      ansible.builtin.include_role:
+        name: "ednxzu.import_vault_root_ca"
diff --git a/molecule/with_custom_ca/group_vars/all.yml b/molecule/with_custom_ca/group_vars/all.yml
new file mode 100644
index 0000000..6ff14db
--- /dev/null
+++ b/molecule/with_custom_ca/group_vars/all.yml
@@ -0,0 +1,4 @@
+---
+import_vault_root_ca_certificate_list:
+  - url: "https://openstack01.ednz.fr:8200/v1/ednz-root-ca/ca"
+    cert_name: "ednz_ca"
\ No newline at end of file
diff --git a/molecule/with_custom_ca/molecule.yml b/molecule/with_custom_ca/molecule.yml
new file mode 100644
index 0000000..7150297
--- /dev/null
+++ b/molecule/with_custom_ca/molecule.yml
@@ -0,0 +1,37 @@
+---
+dependency:
+  name: galaxy
+  options:
+    requirements-file: ./requirements.yml
+driver:
+  name: docker
+platforms:
+  - name: instance
+    image: geerlingguy/docker-${MOLECULE_TEST_OS}-ansible
+    command: ""
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup
+    cgroupns_mode: host
+    privileged: true
+    pre_build_image: true
+provisioner:
+  name: ansible
+  config_options:
+    defaults:
+      remote_tmp: /tmp/.ansible
+verifier:
+  name: ansible
+scenario:
+  name: with_custom_ca
+  test_sequence:
+    - dependency
+    - cleanup
+    - destroy
+    - syntax
+    - create
+    - prepare
+    - converge
+    - idempotence
+    - verify
+    - cleanup
+    - destroy
diff --git a/molecule/with_custom_ca/requirements.yml b/molecule/with_custom_ca/requirements.yml
new file mode 100644
index 0000000..e9320f9
--- /dev/null
+++ b/molecule/with_custom_ca/requirements.yml
@@ -0,0 +1,3 @@
+---
+# requirements file for molecule
+roles: []
diff --git a/molecule/with_custom_ca/verify.yml b/molecule/with_custom_ca/verify.yml
new file mode 100644
index 0000000..ee4599b
--- /dev/null
+++ b/molecule/with_custom_ca/verify.yml
@@ -0,0 +1,24 @@
+---
+# This is an example playbook to execute Ansible tests.
+
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: "Test: directory /usr/local/share/ca-certificates"
+      block:
+        - name: "Stat directory /usr/local/share/ca-certificates"
+          ansible.builtin.stat:
+            path: "/usr/local/share/ca-certificates"
+          register: usr_local_share_ca_certificates
+
+        - name: "Verify directory {{ import_vault_root_ca_cert_dir }}"
+          ansible.builtin.assert:
+            that:
+              - usr_local_share_ca_certificates.stat.exists
+              - usr_local_share_ca_certificates.stat.isdir
+              - usr_local_share_ca_certificates.stat.pw_name == 'root'
+              - usr_local_share_ca_certificates.stat.gr_name == 'root'
+              - usr_local_share_ca_certificates.stat.mode == '0755'
+
+    - name: "Get certificate information"