test: fix data race in TestAdminCheckGlobalIndexDuringDDL

[Defined2014]

What problem does this PR solve?

Issue Number: close #53802

Problem Summary:

What changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

Skipping CI for Draft Pull Request.
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[tiprow]

Hi @Defined2014. Thanks for your PR.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.3018%. Comparing base (a44d409) to head (3cd3ae5).

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #53817         +/-   ##
=================================================
- Coverage   72.5940%   55.3018%   -17.2923%     
=================================================
  Files          1506       1626        +120     
  Lines        431531     602088     +170557     
=================================================
+ Hits         313266     332966      +19700     
- Misses        98979     246271     +147292     
- Partials      19286      22851       +3565     

Flag	Coverage Δ
integration	22.1096% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	52.9656% <ø> (ø)
parser	∅ <ø> (∅)
br	50.5970% <ø> (+8.7887%)	⬆️

[Defined2014]

/run-check-issue-triage-complete

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hawkingrei, lance6716

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-06-05 02:49:51.857414346 +0000 UTC m=+3435945.614549915: ☑️ agreed by hawkingrei.
• 2024-06-05 03:27:23.156495817 +0000 UTC m=+3438196.913631391: ☑️ agreed by lance6716.