Implement internal/errors/worker test

[kevindiu]

Description:

This PR implements internal/errors/worker error.
Grammar check passed

Related Issue:

How Has This Been Tested?:

Environment:

• Go Version: 1.15.7
• Docker Version: 19.03.8
• Kubernetes Version: 1.18.2
• NGT Version: 1.13.1

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]

[CHATOPS:HELP] ChatOps commands.

• 🙆‍♀️ /approve - approve
• 💌 /changelog - add changelog comment
• 🍱 /format - format codes and add licenses
• ✅ /gen-test - generate test codes
• 🏷️ /label - add labels
• ⏪ /rebase - rebase master
• 🔚 2️⃣ 🔚 /label actions/e2e-deploy - run E2E deploy & integration test

[codecov]

Codecov Report

Merging #952 (25c730a) into master (c1c6dc0) will increase coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #952      +/-   ##
==========================================
+ Coverage   14.39%   14.46%   +0.06%     
==========================================
  Files         492      493       +1     
  Lines       27843    27904      +61     
==========================================
+ Hits         4008     4035      +27     
- Misses      23597    23623      +26     
- Partials      238      246       +8     

Impacted Files	Coverage Δ
internal/errors/worker.go	100.00% <ø> (+100.00%)	⬆️
internal/db/storage/blob/s3/reader/reader.go	63.04% <0.00%> (-31.53%)	⬇️
internal/worker/worker.go	82.29% <0.00%> (-1.05%)	⬇️
internal/net/net.go	73.77% <0.00%> (ø)
internal/worker/queue.go	100.00% <0.00%> (+3.33%)	⬆️

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[hlts2]

LGTM

[vankichi]

please check these suggestions

[kevindiu]

/rebase

[vdaas-ci]

[REBASE] Rebase triggered by kevindiu for branch: test/internal/add-errors-worker-test

[vankichi]

LGTM
please get approve from @hlts2 thanks.

[hlts2]

LGTM

[kevindiu]

/rebase
/format
/approve

[vdaas-ci]

[REBASE] Rebase triggered by kevindiu for branch: test/internal/add-errors-worker-test

[vdaas-ci]

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

[vankichi]

/format
/approve

[vdaas-ci]

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

[vdaas-ci]

[APPROVED] This PR is approved by vankichi.