[
  {
    "os": [
      "chromeos",
      "linux",
      "mac",
      "desktop_android",
      "win"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "mandatory_extensions_for_incognito_navigation",
      "default_value": [],
      "values_to_test": [
        [
          "id1",
          "id2",
          "id3"
        ]
      ]
    }
  }
]