test(openai-agents): Replace mocks with httpx in non-error single-response tests
#6883
| Job | Run time |
|---|---|
| 1m 47s | |
| 1m 46s | |
| 1m 33s | |
| 1m 33s | |
| 1m 46s | |
| 1m 46s | |
| 1m 48s | |
| 1m 47s | |
| 1m 47s | |
| 1m 47s | |
| 3s | |
| 17m 23s |