Add security hub API test case

[YangJiao0817]

Fix #19269

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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"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

Merging #19376 (61f5f3d) into main (4051b2b) will decrease coverage by 3.17%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #19376      +/-   ##
==========================================
- Coverage   70.63%   67.47%   -3.17%     
==========================================
  Files         744      988     +244     
  Lines       95272   108688   +13416     
  Branches        0     2752    +2752     
==========================================
+ Hits        67299    73332    +6033     
- Misses      24336    31408    +7072     
- Partials     3637     3948     +311     

Flag	Coverage Δ
unittests	67.47% <ø> (-3.17%)	⬇️

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see 252 files with indirect coverage changes

[AllForNothing]

lgtm