ansible/test/integration/targets/interpreter_discovery_python/bad-connection.yml

# Test discovery error handling when a connection failure is involved (raises AnsibleError).

- hosts: localhost
  gather_facts: no
  tasks:
    - add_host:
        name: bad_connection
        ansible_connection: ssh
        ansible_port: 1
        ansible_host: localhost
        ansible_python_interpreter: auto
        ansible_pipelining: yes

- hosts: bad_connection
  gather_facts: no
  tasks:
    - ping:
      register: discovery
      ignore_unreachable: yes

    - assert:
        that:
          - discovery is unreachable