test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6881
| Job | Run time |
|---|---|
| 1m 37s | |
| 4m 32s | |
| 4m 13s | |
| 2m 17s | |
| 2m 44s | |
| 6m 13s | |
| 2m 23s | |
| 3m 55s | |
| 3m 55s | |
| 2m 50s | |
| 3s | |
| 34m 42s |