- Search for other roles in ../ as well.

- Enabled diff.

ansible.cfg

 [defaults]
 host_key_checking = False
 retry_files_enabled = False
-roles_path = .molecule/roles
+roles_path = .molecule/roles:../
 command_warnings = True
 deprecation_warnings = True

molecule.yml

@@ -2,6 +2,7 @@
 ansible:
   verbose: v
   playbook: tests/playbook.yml
+  diff: True
 
 molecule:
   testinfra_dir: tests