return events;

}

function collectSseEventTypes(events: readonly SseEvent[]): string[] {

const eventTypes: string[] = [];

for (const event of events) {

if (event.event) {

eventTypes.push(event.event);

}

}

return eventTypes;

}

function findSseEvent(events: SseEvent[], eventName: string): SseEvent {

const event = events.find((candidate) => candidate.event === eventName);

if (!event) {

const deltaText = await resDelta.text();

const deltaEvents = parseSseEvents(deltaText);

const eventTypes = deltaEvents.map((e) => e.event).filter(Boolean);

const eventTypes = collectSseEventTypes(deltaEvents);

expect(eventTypes).toContain("response.created");

expect(eventTypes).toContain("response.output_item.added");

expect(eventTypes).toContain("response.in_progress");