chromium/ios/chrome/test/data/policy/pref_mapping/PolicyRefreshRate.json

[
  {
    "os": [
      "ios"
    ],
    "policy_pref_mapping_tests": [
      {
        "policies": {
          "PolicyRefreshRate": 300000
        },
        "prefs": {
          "policy.user_refresh_rate": {
            "location": "local_state",
            "value": 300000
          }
        }
      }
    ]
  }
]