- hosts: all
  tasks:
    - name: Ensure test_variable was written to file
      lineinfile:
        line: "{{ packer_variables.packer_test_content | replace('\n', '') }}"
        dest: "{{ packer_environment.PACKER_TEST_FILE }}"
      check_mode: yes
      register: test_variable_presence
      failed_when: test_variable_presence.changed