Update testcase for test env change, especially for webhook config

[stonezdj]

Change dockhub to registry.goharbor.io
Change the testcase for webhook

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
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• Made sure tests are passing and test coverage is added if needed.
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[chlins]

lgtm

[wy65701436]

lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (release-2.11.0@201d421). Learn more about missing BASE report.

Additional details and impacted files

@@                Coverage Diff                @@
##             release-2.11.0   #21191   +/-   ##
=================================================
  Coverage                  ?   66.30%           
=================================================
  Files                     ?     1044           
  Lines                     ?   113939           
  Branches                  ?     2845           
=================================================
  Hits                      ?    75549           
  Misses                    ?    34266           
  Partials                  ?     4124           

Flag	Coverage Δ
unittests	66.30% <ø> (?)

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