enhance: [skip e2e] Fix PR conflict in reduce unit test

[congqixia]

Related to #36433 #36180

[sre-ci-robot]

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[weiliu1031]

/lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.33%. Comparing base (8cda48a) to head (0129330).
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #36470      +/-   ##
==========================================
+ Coverage   73.42%   82.33%   +8.91%     
==========================================
  Files        1278     1278              
  Lines      150875   150883       +8     
==========================================
+ Hits       110773   124226   +13453     
+ Misses      35115    21664   -13451     
- Partials     4987     4993       +6     

see 244 files with indirect coverage changes