Add config agent core ngt service kvs test

[hlts2]

Signed-off-by: hlts2 hiroto.funakoshi.hiroto@gmail.com

Description:

I added test for pkg/agent/core/ngt/service/kvs/test.
and I added comment

gramer check passed

Related Issue:

How Has This Been Tested?:

Environment:

• Go Version: 1.16
• Docker Version: 19.03.8
• Kubernetes Version: 1.18.2
• NGT Version: 1.12.3

Types of changes:

• Bug fix [type/bug]
• New feature [type/feature]
• Add tests [type/test]
• Security related changes [type/security]
• Add documents [type/documentation]
• Refactoring [type/refactoring]
• Update dependencies [type/dependency]
• Update benchmarks and performances [type/bench]
• Update CI [type/ci]

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

Checklist:

• I have read the CONTRIBUTING document.
• I have checked open Pull Requests for the similar feature or fixes?
• I have added tests and benchmarks to cover my changes.
• I have ensured all new and existing tests passed.
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly.

[vdaas-ci]

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[codecov]

Codecov Report

Merging #1223 (9809d2b) into master (9a6a040) will increase coverage by 0.47%.
The diff coverage is n/a.

❗ Current head 9809d2b differs from pull request most recent head aad537f. Consider uploading reports for the commit aad537f to get more accurate results

@@            Coverage Diff             @@
##           master    #1223      +/-   ##
==========================================
+ Coverage   17.59%   18.06%   +0.47%     
==========================================
  Files         501      501              
  Lines       31190    31190              
==========================================
+ Hits         5488     5636     +148     
+ Misses      25416    25255     -161     
- Partials      286      299      +13     

Impacted Files	Coverage Δ
pkg/agent/core/ngt/service/kvs/kvs.go	95.55% <ø> (+95.55%)	⬆️
internal/worker/queue.go	98.33% <0.00%> (-1.67%)	⬇️
internal/worker/worker.go	82.29% <0.00%> (-1.05%)	⬇️
pkg/agent/core/ngt/service/kvs/ou.go	61.33% <0.00%> (+61.33%)	⬆️
pkg/agent/core/ngt/service/kvs/uo.go	67.77% <0.00%> (+67.77%)	⬆️

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[kevindiu]

commented minor things.

[kevindiu]

LGTM

[vankichi]

You have to check the comment again

[kevindiu]

/rebase
/format
/approve

[vdaas-ci]

[REBASE] Rebase triggered by kevindiu for branch: test/pkg/add-config-agent-core-ngt-service-kvs-test

[vdaas-ci]

[FORMAT] Updating license headers and formatting go codes triggered by kevindiu.

[vdaas-ci]

[APPROVED] This PR is approved by kevindiu.