ansible/test/integration/targets/ansible-test-cloud-aws/tasks/main.yml

- name: Verify variables are set
  assert:
    that:
      - aws_access_key
      - aws_region
      - aws_secret_key
      - resource_prefix
      - security_token
      - tiny_prefix
- name: Show variables
  debug:
    msg: "{{ lookup('vars', item) }}"
  with_items:
      - aws_access_key
      - aws_region
      - resource_prefix
      - tiny_prefix