Comment 4 for bug 1306036

That was with this:
    type: OS::Heat::MultipartMime
    properties:
      parts:
        - config: {get_resource: one_init}
        - config: {get_resource: two_init}
        - config: {get_resource: three_four_init}
          type: multipart
        - config: {get_resource: five_init}