operator/pkg/tasks/init: unit test cert

[mohamedawnallah]

Description

In this commit, we introduce unit tests for the cert operator package, covering tasks such as creating new certificates, running existing certificates, and skipping certificates.

What type of PR is this?

Which issue(s) this PR fixes:
Part of #5491.
Depends on #5561 and #5630.

Does this PR introduce a user-facing change?:

NONE

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.19%. Comparing base (517cb0d) to head (33b75f7).

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5625      +/-   ##
==========================================
+ Coverage   39.75%   40.19%   +0.44%     
==========================================
  Files         650      650              
  Lines       55147    55147              
==========================================
+ Hits        21924    22168     +244     
+ Misses      31815    31547     -268     
- Partials     1408     1432      +24     

Flag	Coverage Δ
unittests	40.19% <100.00%> (+0.44%)	⬆️

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[mohamedawnallah]

cc @XiShanYongYe-Chang All test cases passed after PR #5561 was merged and rebasing on master branch :)

[XiShanYongYe-Chang]

/lgtm
/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: XiShanYongYe-Chang

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