Update molecule for new extracted vars

Author: guidograzioli

molecule/default/converge.yml

@@ -4,17 +4,21 @@
   vars: 
     jdg_enable: False
     override_jdg_bind_address: "{{ ansible_nodename }}"
+    supervisor_password: "itsme"
   tasks:
     - name: Include infinispan role
       include_role:
         name: ../../roles/infinispan
+      vars:
+        infinispan_users:
+          - { name: 'testuser', password: 'test', roles: 'observer' }
     - name: Create test cache
       include_role:
         name: ../../roles/infinispan
         tasks_from: cache.yml
       vars:
         jdg_url: "http://{{ jdg.bind_addr }}:{{ jdg.port }}"
-        jdg_username: "{{ jdg.users[0].name }}"
-        jdg_password: "{{ jdg.users[0].password }}"
+        jdg_username: "supervisor"
+        jdg_password: "itsme"
         cache:
           name: test_cache

roles/infinispan/defaults/main.yml

@@ -31,7 +31,7 @@ jdg:
     name: "{{ override_jdg_group | default('jdg') }}"
   service:
     name: "{{ override_jdg_service_name | default('jdg') }}"
-  users: "{{ [ jdg_supervisor ] + infinispan_users }}"
+  users: "{{ [ jdg_supervisor ] + infinispan_users|default([]) }}"
 
 jdg_supervisor:
   name: 'supervisor'

roles/infinispan/vars/main.yml

@@ -1,4 +1,4 @@
 ---
 supervisor_password:
 create_keycloak_caches:
-infinispan_users:
+infinispan_users: []