[
  {
    "os": [
      "chromeos"
    ],
    "policy_pref_mapping_tests": [
      {
        "note": "Default value (no policies set).",
        "policies": {},
        "prefs": {
          "extensions.install.forcelist": {
            "default_value": {},
            "location": "signin_profile"
          }
        }
      },
      {
        "policies": {
          "DeviceLoginScreenExtensions": [
            "abcdefghijklmnopabcdefghijklmnop",
            "aaabbbcccdddeeefffggghhhiiijjjkk;https://url.com/update_manifest.xml"
          ]
        },
        "prefs": {
          "extensions.install.forcelist": {
            "value": {
              "aaabbbcccdddeeefffggghhhiiijjjkk": {
                "external_update_url": "https://url.com/update_manifest.xml"
              },
              "abcdefghijklmnopabcdefghijklmnop": {
                "external_update_url": "https://clients2.google.com/service/update2/crx"
              }
            },
            "location": "signin_profile"
          }
        }
      }
    ]
  }
]