trisquel-icecat/icecat/toolkit/mozapps/extensions/test/browser/browser_updatessl.json

{
  "addons": {
    "addon1@tests.mozilla.org": {
      "updates": [
        {
          "applications": {
            "gecko": {
              "strict_min_version": "0",
              "advisory_max_version": "20"
            }
          },
          "version": "2.0"
        }
      ]
    }
  }
}