chromeos/test/data/oobe_configuration/TestDemoModeAcceptArcTos.json

{
  "enableDemoMode": true,
  "desc" : "Do not automatically proceed on Demo Preference screen so that we can set up test components correctly ",
  "demoPreferencesNext": false,
  "networkOfflineDemo": true,
  "eulaAutoAccept": true,
  "arcTosAutoAccept": true,
}