Make filename configurable

molecule/default/playbook.yml

@@ -6,5 +6,6 @@
       - root: /var/www/test
         sites:
           - name: default
+            filename: settings.test.php
   roles:
     - role: opdavies.drupal-settings

molecule/default/tests/test_default.py

@@ -12,7 +12,7 @@ def test_drupal_site_directory_exists(host):
     assert directory.is_directory
 
 def test_drupal_settings_file_exists(host):
-    file = host.file('/var/www/test/sites/default/settings.php')
+    file = host.file('/var/www/test/sites/default/settings.test.php')
 
     assert file.exists
     assert file.is_file