election: update leadership_test.go

[happy-v587]

What problem does this PR solve?

Issue Number: Close #6399

What is changed and how does it work?

fix test code

Check List

Tests

• Unit test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[ti-chi-bot]

Hi @HappyUncle. Thanks for your PR.

I'm waiting for a tikv member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (a4f9af3) 75.04% compared to head (871a251) 75.03%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6400      +/-   ##
==========================================
- Coverage   75.04%   75.03%   -0.01%     
==========================================
  Files         408      408              
  Lines       41112    41112              
==========================================
- Hits        30854    30850       -4     
+ Misses       7574     7569       -5     
- Partials     2684     2693       +9     

Flag	Coverage Δ
unittests	75.03% <ø> (-0.01%)	⬇️

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

see 37 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
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[lhy1024]

/ok-to-test

[rleungx]

/merge

[ti-chi-bot]

@rleungx: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 871a251