test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6884
| Job | Run time |
|---|---|
| 2m 28s | |
| 4m 22s | |
| 3m 31s | |
| 3m 45s | |
| 2m 55s | |
| 6m 1s | |
| 3m 3s | |
| 4m 35s | |
| 2m 16s | |
| 1m 45s | |
| 3s | |
| 34m 44s |