test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6895
| Job | Run time |
|---|---|
| 4m 25s | |
| 2m 39s | |
| 4m 17s | |
| 1m 45s | |
| 3m 45s | |
| 4m 7s | |
| 2m 23s | |
| 2m 34s | |
| 6m 1s | |
| 2m 47s | |
| 3s | |
| 34m 46s |