test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6884
| Job | Run time |
|---|---|
| 3m 7s | |
| 7m 27s | |
| 4m 7s | |
| 2m 52s | |
| 3m 26s | |
| 3m 57s | |
| 4m 20s | |
| 4m 34s | |
| 6m 24s | |
| 5m 27s | |
| 4s | |
| 45m 45s |