test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6877
| Job | Run time |
|---|---|
| 1m 33s | |
| 2m 18s | |
| 1m 58s | |
| 2m 17s | |
| 2m 9s | |
| 1m 59s | |
| 1m 44s | |
| 1m 43s | |
| 2m 17s | |
| 1m 39s | |
| 3s | |
| 19m 40s |