[CELEBORN-2362] Fix Flaky CI/CD#3737

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afterincomparableyum wants to merge 7 commits into

apache:mainfrom

afterincomparableyum:flaky-cicd

Commits on Jun 30, 2026

Delete all shuffle data files and lighten the test job to reliably trigger fetch failure in SparkUtilsSuite
afterincomparableyum
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