Backport PR #2396 to release/v1.7 for Bugfix: Build error of pkg/internal/ kvs test

[vdaas-ci]

Description

There was a build error in the pkg/internal/kvs test, so I fixed it in this PR.

https://github.com/vdaas/vald/actions/runs/7983231997/job/21798053354?pr=2394

Related Issue

Versions

• Go Version: 1.22.0
• Docker Version: 20.10.8
• Kubernetes Version: v1.29.2
• NGT Version: 2.1.6

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• I have read the CONTRIBUTING document and completed our CLA agreement.
• I have checked open Pull Requests for the similar feature or fixes?

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Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release/v1.7@dd7be4c). Click here to learn what that means.

Additional details and impacted files

@@               Coverage Diff               @@
##             release/v1.7    #2398   +/-   ##
===============================================
  Coverage                ?   18.62%           
===============================================
  Files                   ?      547           
  Lines                   ?    73767           
  Branches                ?        0           
===============================================
  Hits                    ?    13742           
  Misses                  ?    59290           
  Partials                ?      735           

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