keyspace: add keyspace etcd namespace UT

[ystaticy]

What problem does this PR solve?

Issue Number: ref #58082

Problem Summary:

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 @ystaticy. Thanks for your PR.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.9508%. Comparing base (71e70af) to head (8838c83).
Report is 14 commits behind head on master.

Additional details and impacted files

@@               Coverage Diff                @@
##             master     #58081        +/-   ##
================================================
+ Coverage   73.1346%   74.9508%   +1.8161%     
================================================
  Files          1675       1720        +45     
  Lines        461810     472203     +10393     
================================================
+ Hits         337743     353920     +16177     
+ Misses       103314      96038      -7276     
- Partials      20753      22245      +1492     

Flag	Coverage Δ
integration	49.2066% <76.1904%> (?)
unit	72.3370% <100.0000%> (+0.0664%)	⬆️

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

Components	Coverage Δ
dumpling	52.6910% <ø> (ø)
parser	∅ <ø> (∅)
br	61.0073% <ø> (+15.0150%)	⬆️

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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Needs approval from an approver in each of these files:

• OWNERS [lance6716,tiancaiamao]
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• pkg/domain/OWNERS [lance6716]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-10 02:29:28.583312608 +0000 UTC m=+319158.672115146: ☑️ agreed by lance6716.
• 2024-12-10 07:44:34.421898775 +0000 UTC m=+338064.510701311: ☑️ agreed by tiancaiamao.

[ystaticy]

/test check-dev2

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In response to this:

/test check-dev2

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[ystaticy]

/test unit-test

[tiprow]

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

In response to this:

/test unit-test

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