- name: test with_flattened
  set_fact: '{{ item }}=flattened'
  with_community.general.flattened:
  - - a__
  - - b__
    - - c__
      - d__
- name: verify with_flattened results
  assert:
    that:
    - a__ == 'flattened'
    - b__ == 'flattened'
    - c__ == 'flattened'
    - d__ == 'flattened'