[v0.11.0][UT][Fixbug] Fix UT test (#4151)

### What this PR does / why we need it?
Fix UT test
Backport: #4116

Signed-off-by: hfadzxy <[email protected]>

Author: zhangxinyuehfad

requirements-dev.txt

@@ -2,7 +2,7 @@
 -r requirements.txt
 modelscope
 openai
-pytest >= 6.0
+pytest >= 6.0,<9.0.0
 pytest-asyncio
 pytest-mock
 lm-eval[api] @ git+https://github.com/EleutherAI/lm-evaluation-harness.git@206b7722158f58c35b7ffcd53b035fdbdda5126d