Automated cherry pick of #5936: pkg/search/controllers_test: wait for cache sync

[XiShanYongYe-Chang]

Cherry pick of #5936 on release-1.12.
#5936: pkg/search/controllers_test: wait for cache sync
For details on the cherry pick process, see the cherry pick requests page.

NONE

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.51%. Comparing base (8eb2774) to head (717c4dc).
Report is 2 commits behind head on release-1.12.

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.12    #6136      +/-   ##
================================================
- Coverage         46.53%   46.51%   -0.02%     
================================================
  Files               664      664              
  Lines             54810    54810              
================================================
- Hits              25507    25497      -10     
- Misses            27676    27684       +8     
- Partials           1627     1629       +2     

Flag	Coverage Δ
unittests	46.51% <ø> (-0.02%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[RainbowMango]

/lgtm
/approve

[karmada-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: RainbowMango

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pkg/search/OWNERS [RainbowMango]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment