test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6953
| Job | Run time |
|---|---|
| 3m 50s | |
| 3m 38s | |
| 3m 40s | |
| 6m 18s | |
| 6m 3s | |
| 3m 35s | |
| 4m 27s | |
| 3m 52s | |
| 3m 23s | |
| 5m 29s | |
| 3s | |
| 44m 18s |