Fix serializable check & Add test cases

[AlbumenJ]

What is the purpose of the change

Brief changelog

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
• Each commit in the pull request should have a meaningful subject line and body.
• Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• Check if is necessary to patch to Dubbo 3 if you are work on Dubbo 2.7
• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
• Add some description to dubbo-website project if you are requesting to add a feature.
• GitHub Actions works fine on your own branch.
• If this contribution is large, please follow the Software Donation Guide.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 55.17241% with 26 lines in your changes missing coverage. Please review.

Project coverage is 64.90%. Comparing base (e3e7ce8) to head (9433d01).
Report is 20 commits behind head on 3.1.

Files with missing lines	Patch %	Lines
...java/org/apache/dubbo/common/utils/ClassUtils.java	62.50%	5 Missing and 10 partials ⚠️
...mmon/serialize/fastjson2/FastJson2ObjectInput.java	30.00%	6 Missing and 1 partial ⚠️
...mon/serialize/hessian2/Hessian2FactoryManager.java	25.00%	3 Missing ⚠️
.../serialize/hessian2/Hessian2SerializerFactory.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                3.1   #12054      +/-   ##
============================================
+ Coverage     64.68%   64.90%   +0.21%     
  Complexity       14       14              
============================================
  Files          1433     1433              
  Lines         60086    60124      +38     
  Branches       8832     8853      +21     
============================================
+ Hits          38868    39021     +153     
+ Misses        17127    16994     -133     
- Partials       4091     4109      +18     

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

13.6% Coverage
0.9% Duplication

[chickenlj]

LGTM.