test(openai-agents): Replace mocks with httpx in non-error single-response tests
#11679
| Job | Run time |
|---|---|
| 2m 1s | |
| 2m 38s | |
| 3m 5s | |
| 2m 13s | |
| 1m 48s | |
| 3m 5s | |
| 2m 51s | |
| 2m 18s | |
| 3m 5s | |
| 3s | |
| 23m 7s |