admob test ad

  "admob": [
    {
      "banner": "ca-app-pub-3940256099942544/6300978111",
      "inter": "ca-app-pub-3940256099942544/1033173712",
      "native": "ca-app-pub-3940256099942544/2247696110",
      "reward": "ca-app-pub-3940256099942544/5224354917"
    }
  ],