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

- name: Measure time before
  shell: date +%s
  register: before

- debug:
    var: i
  with_sequence: count=3
  loop_control:
    loop_var: i
    pause: 2

- name: Measure time after
  shell: date +%s
  register: after

# since there is 3 rounds, and 2 seconds between, it should last 4 seconds
# we do not test the upper bound, since CI can lag significantly
- assert:
    that:
    - '(after.stdout |int) - (before.stdout|int) >= 4'