ansible/test/integration/targets/docker_login/tasks/test.yml

- block:
  - include_tasks: run-test.yml
    with_fileglob:
    - "tests/*.yml"
  when: docker_py_version is version('1.8.0', '>=') and docker_api_version is version('1.20', '>=')

- fail: msg="Too old docker / docker-py version to run docker_image tests!"
  when: not(docker_py_version is version('1.8.0', '>=') and docker_api_version is version('1.20', '>=')) and (ansible_distribution != 'CentOS' or ansible_distribution_major_version|int > 6)