Use random port in registry IT

[ruanwenjun]

Purpose of the pull request

• Fix the UT will conflict with local port.
• The UT failed frequently, I am not sure if this is due to the port conflict.

Brief change log

Verify this pull request

This pull request is code cleanup without any test coverage.

(or)

This pull request is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(or)

If your pull request contain incompatible change, you should also add it to docs/docs/en/guide/upgrede/incompatible.md

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 40.58%. Comparing base (61915a2) to head (510ea75).

❗ Current head 510ea75 differs from pull request most recent head 0da8d38. Consider uploading reports for the commit 0da8d38 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##                dev   #16014   +/-   ##
=========================================
  Coverage     40.58%   40.58%           
- Complexity     5215     5216    +1     
=========================================
  Files          1380     1380           
  Lines         46056    46056           
  Branches       4916     4916           
=========================================
+ Hits          18692    18693    +1     
  Misses        25437    25437           
+ Partials       1927     1926    -1     

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[caishunfeng]

Please add the purpose of the pull request.

[ruanwenjun]

Please add the purpose of the pull request.

Done

[Radeity]

Just curious, if the failure is due to port conflict, before this PR, it seems that UT will fail every time?

[ruanwenjun]

Just curious, if the failure is due to port conflict, before this PR, it seems that UT will fail every time?

I see most fail case is the UT run on jdk8/jdk11 at the same time, then fail, retry one by one can success.

[Radeity]

Good catch, LGTM.

[sonarcloud]

Please retry analysis of this Pull-Request directly on SonarCloud

[rickchengx]

LGTM