test: fix unstable TestShowViewPriv

[tangenta]

What problem does this PR solve?

Issue Number: close #55867

Problem Summary:

What changed and how does it work?

Privilege checker should keep the same behavior as normal path.

tidb/pkg/executor/infoschema_reader.go

Lines 588 to 590 in 487ef06

	if checker != nil && !checker.RequestVerification(sctx.GetSessionVars().ActiveRoles, schema.L, table.Name.L, "", mysql.AllPrivMask) {
	return rows, nil
	}

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 @tangenta. Thanks for your PR.

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[tangenta]

/check-issue-triage-complete

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.0177%. Comparing base (487ef06) to head (100c91c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55868         +/-   ##
=================================================
- Coverage   72.8509%   56.0177%   -16.8333%     
=================================================
  Files          1598       1723        +125     
  Lines        444454     619909     +175455     
=================================================
+ Hits         323789     347259      +23470     
- Misses       100736     249019     +148283     
- Partials      19929      23631       +3702     

Flag	Coverage Δ
integration	37.3123% <0.0000%> (?)
unit	71.9601% <100.0000%> (-0.0106%)	⬇️

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	52.8777% <ø> (+7.1044%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-05 03:32:54.016840659 +0000 UTC m=+501698.534893582: ☑️ agreed by tiancaiamao.
• 2024-09-05 03:52:02.84345388 +0000 UTC m=+502847.361506804: ☑️ agreed by lance6716.