fuchsia/engine/web_engine_integration_tests.cmx

{
  "sandbox": {
    "features": [
      "isolated-persistent-storage",
      "deprecated-shell",
      "system-temp"
    ],
    "services": [
      "fuchsia.device.NameProvider",
      "fuchsia.fonts.Provider",
      "fuchsia.logger.LogSink",
      "fuchsia.net.NameLookup",
      "fuchsia.net.SocketProvider",
      "fuchsia.netstack.Netstack",
      "fuchsia.posix.socket.Provider",
      "fuchsia.process.Launcher",
      "fuchsia.sysmem.Allocator",
      "fuchsia.web.ContextProvider"
    ]
  }
}