mitogen/tests/ansible/integration/become/sudo_flags_failure.yml

- name: integration/become/sudo_flags_failure.yml
  hosts: test-targets
  any_errors_fatal: true
  tasks:

    - name: Verify behaviour for bad sudo flags.
      shell: whoami
      become: true
      ignore_errors: true
      register: out
      vars:
        ansible_become_flags: --derps

    - name: Verify raw module output.
      assert:
        that:
          - out.failed
          - |
            ('sudo: no such option: --derps' in out.msg) or
            ("sudo: unrecognized option `--derps'" in out.module_stderr) or
            ("sudo: unrecognized option '--derps'" in out.module_stderr)