ansible/test/integration/targets/import_tasks/inherit_notify.yml

- hosts: localhost
  gather_facts: false
  pre_tasks:
  - import_tasks: tasks/trigger_change.yml
    notify: hello

  handlers:
    - name: hello
      set_fact: hello=world

  tasks:
    - name: ensure handler ran
      assert:
        that:
          - "hello is defined and hello == 'world'"