codex-proxy-rs/backend/tests/support/http.rs

use axum::body::to_bytes;

pub(crate) async fn response_json(response: axum::response::Response) -> serde_json::Value {
    let bytes = to_bytes(response.into_body(), usize::MAX).await.unwrap();
    serde_json::from_slice(&bytes).unwrap()
}