test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6883
| Job | Run time |
|---|---|
| 1m 44s | |
| 1m 46s | |
| 1m 36s | |
| 1m 35s | |
| 1m 45s | |
| 1m 43s | |
| 1m 46s | |
| 1m 34s | |
| 1m 33s | |
| 1m 46s | |
| 2s | |
| 16m 50s |