[component][componenttest] Add validation for config serialization

[Dhruvit96]

Description

This unit test enhancement ensures that the configuration can be serialized correctly.

Link to tracking issue

Fixes #12906

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: Dhruvit96 / name: Dhruvit Maniya (b14a613, 20ec150, 7efced9, e459c4a, 51c85aa, 596a7d3, 205d5d5)

[dmathieu]

Could you add tests? (and fix the failing CI checks)

[Dhruvit96]

Could you add tests? (and fix the failing CI checks)

I don't think this change requires changelog.
For now I have added chore in PR title but I think it skipped few tests as well, could you please add skip changelog lable?

[dmathieu]

I think it does require a changelog entry. This changes the behavior of a public method in a public package.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.69%. Comparing base (e3553fa) to head (f7ea521).
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12912      +/-   ##
==========================================
+ Coverage   91.66%   91.69%   +0.02%     
==========================================
  Files         499      499              
  Lines       27425    27449      +24     
==========================================
+ Hits        25140    25168      +28     
+ Misses       1806     1803       -3     
+ Partials      479      478       -1     

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[Dhruvit96]

I have completed all the changes from my end, and the implementation is now ready for review. It should pass all CI checks successfully.

Thank you for your patience.

[Dhruvit96]

Please let me know if there's anything I might have missed in this PR or anything I can do to help expedite the review process.