ddl: fix flaky TestGenIDAndInsertJobsWithRetry

[D3Hunter]

What problem does this PR solve?

Issue Number: close #55232

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

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None

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-08-06 10:14:29.548217503 +0000 UTC m=+346999.415316592: ☑️ agreed by lance6716.
• 2024-08-06 10:21:09.505570411 +0000 UTC m=+347399.372669493: ☑️ agreed by tangenta.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.3633%. Comparing base (5458324) to head (766f81c).
Report is 4 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #55233        +/-   ##
================================================
+ Coverage   72.8180%   75.3633%   +2.5452%     
================================================
  Files          1570       1570                
  Lines        439465     440672      +1207     
================================================
+ Hits         320010     332105     +12095     
+ Misses        99737      88015     -11722     
- Partials      19718      20552       +834     

Flag	Coverage Δ
integration	50.9852% <ø> (?)
unit	71.7423% <ø> (-0.0544%)	⬇️

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

Components	Coverage Δ
dumpling	52.9567% <ø> (ø)
parser	∅ <ø> (∅)
br	62.0564% <ø> (+16.1876%)	⬆️