planner: fix the slow test TestIntersectionWithDifferentConcurrency (#52976)

[ti-chi-bot]

This is an automated cherry-pick of #52976

What problem does this PR solve?

Issue Number: close #47326

Problem Summary: planner: fix the slow test TestIntersectionWithDifferentConcurrency

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

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-8.1@4e373cf). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-8.1     #55035   +/-   ##
================================================
  Coverage               ?   71.1880%           
================================================
  Files                  ?       1465           
  Lines                  ?     421891           
  Branches               ?          0           
================================================
  Hits                   ?     300336           
  Misses                 ?     101075           
  Partials               ?      20480           

Flag	Coverage Δ
unit	71.1880% <ø> (?)

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

Components	Coverage Δ
dumpling	53.9957% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	41.0740% <0.0000%> (?)

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: qw4990, winoros

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-31 10:58:59.484469789 +0000 UTC m=+353455.764517858: ☑️ agreed by winoros.
• 2024-08-01 00:40:02.460507897 +0000 UTC m=+402718.740555965: ☑️ agreed by qw4990.