test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6881
| Job | Run time |
|---|---|
| 5m 11s | |
| 5m 8s | |
| 2m 46s | |
| 6m 4s | |
| 5m 21s | |
| 6m 22s | |
| 3m 43s | |
| 7m 10s | |
| 4m 56s | |
| 3m 40s | |
| 4s | |
| 50m 25s |