smoke: multi-source SPX

Parsed value

{
  "close_price": null
}

Reason

primary + 1 corroborating all agree (tol 0%)

Raw source response

{
  "per_source": [
    {
      "role": "primary",
      "outcome": "no",
      "fetch_ms": 2,
      "raw_hash": "dc2c82b7934e9f648e65475634e5eba0c2dfa0c11d17496d1453647288257dbc",
      "error_msg": null,
      "source_id": "8bbf5768-2e99-4c2e-9878-fb5991fbbc14",
      "source_url": null,
      "numeric_value": null
    },
    {
      "role": "corroborating",
      "outcome": "no",
      "fetch_ms": 0,
      "raw_hash": "dc2c82b7934e9f648e65475634e5eba0c2dfa0c11d17496d1453647288257dbc",
      "error_msg": null,
      "source_id": "c41c2470-7133-4ce5-b10b-f32e4b864a84",
      "source_url": null,
      "numeric_value": null
    }
  ]
}