use scoped var

tasks/main.yml

@@ -4,10 +4,10 @@
     that: "{{ item }} is defined"
     fail_msg: "You must define the '{{ item }}' variable"
   with_items:
-    - members
+    - add_users_user_accounts
 
 - name: Include resource variables
-  include_vars: "{{ members }}"
+  include_vars: "{{ add_users_user_accounts }}"
   tags:
     # Note(d1): we already load in converge.yml so skip here
     - molecule-notest