finish molecule configuration

ansible/molecule/default/molecule.yml

@@ -1,6 +1,8 @@
 ---
+prerun: false 
 dependency:
   name: galaxy
+  enabled: False
 driver:
   name: lxd
 platforms:
@@ -23,23 +25,19 @@ platforms:
 provisioner:
   name: ansible
   connection_options:
-    ansible_ssh_user: user
+    ansible_ssh_user: vincent
     ansible_become: true
+  env:
+    ANSIBLE_CONFIG: ../../ansible.cfg
+    ANSIBLE_ROLES_PATH: "../../roles"
   log: true
   lint:
     name: ansible-lint
   inventory:
-    host_vars:
-      oscar-dev:
-        user:
-          name: user
-      merlin-dev:
-        user:
-          name: user
-      gerard-dev:
-        user:
-          name: user
+    host_vars: []
+    
     links:
+      group_vars: ../../group_vars
       hosts: ../../staging
 verifier:
   name: ansible