- name: test failing dependency
  mdepfail:
    a: 123
  ignore_errors: yes
  register: result

- name: assert failing dependency
  assert:
    that:
      - result.failed is true
      - '"Failed to import" in result.msg'
      - '"nopackagewiththisname" in result.msg'
      - '"ModuleNotFoundError:" in result.exception'
      - '"nopackagewiththisname" in result.exception'