[
  {
    "os": [
      "chromeos"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "kerberos.custom_prefilled_config",
      "pref_location": "local_state",
      "default_value": "",
      "values_to_test": [
        "custom-config"
      ]
    }
  }
]