chromium/components/policy/test/data/pref_mapping/DevicePolicyRefreshRate.json

[
  {
    "os": [
      "chromeos_ash"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "policy.device_refresh_rate",
      "pref_location": "local_state",
      "default_value": 10800000,
      "values_to_test": [
        300000
      ]
    }
  }
]