test(openai-agents): Replace mocks with httpx in non-error single-response tests
#11679
| Job | Run time |
|---|---|
| 4m 5s | |
| 3m 58s | |
| 6m 38s | |
| 5m 42s | |
| 5m 0s | |
| 3m 25s | |
| 3m 22s | |
| 4m 53s | |
| 4m 20s | |
| 4m 12s | |
| 3s | |
| 45m 38s |