[ISSUE #4548] Add unit test to the sofa component.

[December-Pb]

In this PR, the unit tests of buildApiPath, buildMetaDataDTO in the class SofaServiceEventListener were added

Make sure that:

• You have read the contribution guidelines.
• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed ./mvnw clean install -Dmaven.javadoc.skip=true.

[codecov-commenter]

Codecov Report

Merging #4688 (9215c61) into master (23af5ff) will increase coverage by 0.19%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4688      +/-   ##
============================================
+ Coverage     66.43%   66.62%   +0.19%     
- Complexity     8015     8032      +17     
============================================
  Files          1109     1109              
  Lines         32041    32041              
  Branches       2896     2896              
============================================
+ Hits          21285    21346      +61     
+ Misses         9065     9003      -62     
- Partials       1691     1692       +1     

see 2 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[tian-pengfei]

@December-Pb
I think the SofaServiceEventListenerTest.testBuildMetaDataDTO method has a problem.

Sometimes the expected one's timeMillis is diffrent from the actual's ,Because of the difference of creation time