infoschema_v2: add test verify infoSchemaMisc field correctness

[fzzf678]

What problem does this PR solve?

Issue Number: ref #50959

Problem Summary:

What changed and how does it work?

Add test to verify the correctness after bootstrap and during schema change

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.

This is a PR for additional test cases

[tiprow]

Hi @fzzf678. Thanks for your PR.

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[fzzf678]

/ok-to-test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.6277%. Comparing base (a2c5ff5) to head (89b2060).
Report is 24 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55787         +/-   ##
=================================================
- Coverage   72.8630%   56.6277%   -16.2353%     
=================================================
  Files          1582       1709        +127     
  Lines        442754     623645     +180891     
=================================================
+ Hits         322604     353156      +30552     
- Misses       100314     246536     +146222     
- Partials      19836      23953       +4117     

Flag	Coverage Δ
integration	37.1538% <ø> (?)
unit	71.9265% <ø> (-0.0538%)	⬇️

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	52.2730% <ø> (+6.8316%)	⬆️

[fzzf678]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CbcWestwolf, wjhuang2016

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Needs approval from an approver in each of these files:

• pkg/infoschema/OWNERS [wjhuang2016]
• pkg/meta/OWNERS [wjhuang2016]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-02 12:56:54.528436399 +0000 UTC m=+276339.046489324: ☑️ agreed by wjhuang2016.
• 2024-09-03 02:53:56.107672629 +0000 UTC m=+326560.625725592: ☑️ agreed by CbcWestwolf.