ansible/test/integration/targets/xml/tasks/test-mutually-exclusive-attributes.yml

---
  - name: Setup test fixture
    copy:
      src: '{{ role_path }}/fixtures/ansible-xml-beers.xml'
      dest: /tmp/ansible-xml-beers.xml

  - name: Specify both children to add and a value
    xml:
        path: /tmp/ansible-xml-beers.xml
        add_children:
            - child01
            - child02
        value: conflict!
    register: module_output
    failed_when: "module_output.failed == 'false'"