test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6939
| Job | Run time |
|---|---|
| 2m 52s | |
| 2m 55s | |
| 3m 12s | |
| 4m 28s | |
| 3m 43s | |
| 4m 24s | |
| 7m 33s | |
| 6m 16s | |
| 5m 34s | |
| 4m 17s | |
| 4s | |
| 45m 18s |