executor: add tests for status returned by show placement

[lcwangchao]

What problem does this PR solve?

Issue Number: close #55945

What changed and how does it work?

Added some tests for show placement to check its status

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 @lcwangchao. Thanks for your PR.

PRs from untrusted users cannot be marked as trusted with /ok-to-test in this repo meaning untrusted PR authors can never trigger tests themselves. Collaborators can still trigger tests on the PR using /test all.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.9209%. Comparing base (499e45f) to head (07a720a).
Report is 9 commits behind head on master.

Additional details and impacted files

@@                Coverage Diff                @@
##             master     #55948         +/-   ##
=================================================
- Coverage   72.8489%   56.9209%   -15.9281%     
=================================================
  Files          1604       1754        +150     
  Lines        445733     629730     +183997     
=================================================
+ Hits         324712     358448      +33736     
- Misses       101000     246434     +145434     
- Partials      20021      24848       +4827     

Flag	Coverage Δ
integration	39.7058% <0.0000%> (?)
unit	72.0124% <100.0000%> (+0.0510%)	⬆️

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	63.0275% <ø> (+17.2866%)	⬆️

[GMHDBJD]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: GMHDBJD, xhebox

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Needs approval from an approver in each of these files:

• OWNERS [GMHDBJD,xhebox]
• pkg/domain/OWNERS [GMHDBJD]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-09 08:03:37.872894302 +0000 UTC m=+257087.613318237: ☑️ agreed by GMHDBJD.
• 2024-09-09 08:07:04.774143742 +0000 UTC m=+257294.514567677: ☑️ agreed by xhebox.

[lcwangchao]

/retest

[tiprow]

@lcwangchao: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.