add e2e test for sync kernel status

[RidRisR]

What problem does this PR solve?

What is changed and how does it work?

Code changes

• Has Go code change
• Has CI related scripts change

Tests

• Unit test
• E2E test
• Manual test
• No code

Side effects

• Breaking backward compatibility
• Other side effects:

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[ti-chi-bot]

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.32%. Comparing base (a16b2e8) to head (f176296).
⚠️ Report is 65 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6495      +/-   ##
==========================================
- Coverage   57.19%   56.32%   -0.88%     
==========================================
  Files         259      262       +3     
  Lines       33233    46651   +13418     
==========================================
+ Hits        19008    26276    +7268     
- Misses      12291    18297    +6006     
- Partials     1934     2078     +144     

Flag	Coverage Δ
unittest	56.32% <ø> (-0.88%)	⬇️

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[RidRisR]

/run-pull-e2e-kind-br

[RidRisR]

/run-pull-e2e-kind-br

[RidRisR]

/run-pull-e2e-kind-br