ansible/test/integration/targets/conditionals/test_no_warnings.yml

- hosts: testhost
  gather_facts: false
  vars:
    boolean_var: false
    nested:
      bool_var: false
  tasks:
  - name: Run tasks with previous warnings requesting the bool filter on type boolean vars
    block:
    - debug:
      when: boolean_var
    - debug:
      when: nested.bool_var
    - debug:
      when: double_interpolated
      vars:
        double_interpolated: "{{ other }}"
        other: false