br: update manual of integration tests

[RidRisR]

What problem does this PR solve?

Issue Number: close #52690

Problem Summary:

Update the manual of integration tests

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

[tiprow]

Hi @RidRisR. Thanks for your PR.

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[lance6716]

/check-issue-triage-complete

[codecov]

Codecov Report

Merging #52689 (b334ddd) into master (53c050b) will increase coverage by 2.1399%.
The diff coverage is n/a.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #52689        +/-   ##
================================================
+ Coverage   70.8415%   72.9815%   +2.1399%     
================================================
  Files          1471       1471                
  Lines        408719     425372     +16653     
================================================
+ Hits         289543     310443     +20900     
+ Misses        99970      94750      -5220     
- Partials      19206      20179       +973     

Flag	Coverage Δ
integration	50.4432% <ø> (?)

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

Components	Coverage Δ
dumpling	56.2971% <ø> (ø)
parser	∅ <ø> (∅)
br	58.6450% <ø> (+15.9858%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Leavrth, YuJuncen

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Needs approval from an approver in each of these files:

• br/OWNERS [Leavrth,YuJuncen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-04-18 01:19:17.549979546 +0000 UTC m=+473776.661025995: ☑️ agreed by YuJuncen.
• 2024-04-18 02:25:00.369445941 +0000 UTC m=+477719.480492387: ☑️ agreed by Leavrth.