Draft: Resolve #3401810 "Ignore test issue"

This MR is not intended to be merged. It should remain in "draft" and is used for testing gitlab_templates MRs via

  - project: issue/gitlab_templates-nnnnnnn
    ref: nnnnnnn-the-branch-name

and

variables:
  _SHOW_ENVIRONMENT_VARIABLES: 1
  _CURL_TEMPLATES_REPO: issue/gitlab_templates-nnnnnnn
  _CURL_TEMPLATES_REF: nnnnnnn-the-branch-name