docs: Add e2e coverage detail(last part)

[Vacant2333]

What type of PR is this?
/kind documentation
add e2e coverage details(last part)

What this PR does / why we need it:

Which issue(s) this PR fixes:
Part of #3685

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (303f2cd) 51.87% compared to head (5110ce0) 51.86%.
Report is 67 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4521      +/-   ##
==========================================
- Coverage   51.87%   51.86%   -0.02%     
==========================================
  Files         243      243              
  Lines       24181    24183       +2     
==========================================
- Hits        12545    12543       -2     
- Misses      10955    10959       +4     
  Partials      681      681              

Flag	Coverage Δ
unittests	51.86% <ø> (-0.02%)	⬇️

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[XiShanYongYe-Chang]

Hi @Vacant2333 is it ready to review?

[Vacant2333]

Hi @Vacant2333 is it ready to review?

yes～

[XiShanYongYe-Chang]

Thanks~
/assign

[Vacant2333]

Thanks~ /assign

search_test.go is a bit messy and may need to be sorted out. For example, from the analysis document, we can see that a lot of ginkgo.it contents are very irregular.

[XiShanYongYe-Chang]

Thanks~

[XiShanYongYe-Chang]

/lgtm
/approve

As I comment in #4536 (comment), we can add a script to automatically generate test coverage record documents.

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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