- hosts: localhost
  gather_facts: false
  vars:
    - data: {}
  tasks:
    - block:
        - name: template error
          debug:
            msg: "{{ data.value }}"
      rescue:
        - debug:
            msg: "{{ ansible_failed_task.action }}"

        - assert:
            that:
              - ansible_failed_task.name == "template error"
              - ansible_failed_task.action == "debug"