Bug singleflight test

[hlts2]

Signed-off-by: hlts2 [email protected]

Description:

I fix the bug of singleflight pacakge test.
this code's coverage is 100%.

Related Issue:

How Has This Been Tested?:

Environment:

• Go Version: 1.14.3
• Docker Version: 19.03.8
• Kubernetes Version: 1.18.2
• NGT Version: 1.11.5

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.

[pull-assistant]

Best reviewed: commit by commit

---

Optimal code review plan

     fix: test case

     fix: comment out

     fix: delete unncessary code

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[vankichi]

/rebase

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (test/internal/singleflight@7040107). Click here to learn what that means.
The diff coverage is n/a.

@@                     Coverage Diff                      @@
##             test/internal/singleflight    #547   +/-   ##
============================================================
  Coverage                              ?   9.39%           
============================================================
  Files                                 ?     402           
  Lines                                 ?   20859           
  Branches                              ?       0           
============================================================
  Hits                                  ?    1960           
  Misses                                ?   18646           
  Partials                              ?     253           

---

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[vdaas-ci]

[REBASE] Rebase triggered by vankichi for branch: test/internal/improve_singleflight_test

[vdaas-ci]

[REBASE] Failed to rebase.

[vankichi]

/rebase

[vdaas-ci]

[REBASE] Rebase triggered by vankichi for branch: test/internal/improve_singleflight_test

[vdaas-ci]

[REBASE] Failed to rebase.

[vankichi]

LGTM