response = client.get(f"/heroes/{hero_id}")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            {"name": "Dead Pond", "age": 30, "id": 999, "secret_name": "Dive Wilson"}
        )

        # Read all heroes
        # Create more heroes first
        response = client.post(
            "/heroes/",

        hero_id = response.json()["id"]
        response = client.get(f"/heroes/{hero_id}")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            {"name": "Dead Pond", "age": 30, "id": IsInt()}
        )

        # Read all heroes
        # Create more heroes first
        response = client.post(
            "/heroes/",

### Fixes

* 🐛 Fix `allow_inf_nan` option for Param and Body classes. PR [#11867](https://github.com/fastapi/fastapi/pull/11867) by [@giunio-prc](https://github.com/giunio-prc).
* 🐛 Ensure that `app.include_router` merges nested lifespans. PR [#9630](https://github.com/fastapi/fastapi/pull/9630) by [@Lancetnik](https://github.com/Lancetnik).

### Refactors