{
  "_fixture": {
    "description": "Synthetic timeout marker. There is no HTTP status here — the probe's AbortController fires before bytes come back. The driver distinguishes this from a generic AbortError by checking `controller.signal.aborted` and surfaces `timeout after Nms`; the marker below is what tests should assert on when they want to confirm the timeout-shaped errorDesc."
  },
  "simulatedBehaviour": "never-resolve",
  "expectedErrorDesc": "timeout after 10000ms"
}