ansible/test/integration/targets/lookup_items/tasks/main.yml

- name: test with_items
  set_fact: "{{ item }}=moo"
  with_items:
    - 'foo'
    - 'bar'

- name: Undefined var, skipped
  debug:
  with_items:
    - '{{ baz }}'
  when: false

- debug: var=foo
- debug: var=bar

- name: verify with_items results
  assert:
    that:
        - "foo == 'moo'"
        - "bar == 'moo'"