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

- name: gather distribution facts
  gather_facts:
    gather_subset: distribution
  when: ansible_distribution is not defined

- name: include distribution specific tasks
  include_tasks: "{{ lookup('first_found', params) }}"
  vars:
    params:
      files:
        - "{{ ansible_distribution | lower }}.yml"
        - default.yml
      paths:
        - tasks

- name: create test user
  user:
    name: "{{ test_user_name }}"
    group: "{{ test_user_group or omit }}"
    password: "{{ test_user_hashed_password or omit }}"
  register: test_user
  notify:
    - delete test user

- name: run whoami as the test user
  shell: whoami
  vars:
    # ansible_become_method and ansible_become_flags are not set, allowing them to be provided by inventory
    ansible_become: yes
    ansible_become_user: "{{ test_user_name }}"
    ansible_become_password: "{{ test_user_plaintext_password }}"
  register: whoami

- name: verify becoming the test user worked
  assert:
    that:
      - whoami.stdout == test_user_name