- hosts: all

  tasks:
    - name: Convert test_command to list
      set_fact:
        test_commands: ['{{ test_command }}']
      when: test_command | type_debug != 'list'

    - name: Use test_command list
      set_fact:
        test_commands: '{{ test_command }}'
      when: test_command | type_debug == 'list'

    - name: Run test_command
      command: '{{ item }}'
      args:
        chdir: '{{ zuul.project.src_dir }}'
      with_items: '{{ test_commands }}'