test: fix the problem of unit test

[LiWenGu]

Ⅰ. Describe what this PR did

fix the problem of unit test

Ⅱ. Does this pull request fix one issue?

fixes #3109

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[lightClouds917]

The CI failed .Please check .

[ERROR] Failures: 
[ERROR]   TmNettyClientTest.testSendMsgWithResponse:135 expected: <RuntimeException[SessionManager is NOT init!]> but was: <TransactionException[Could not found global transaction xid = 127.0.0.1:8091:1249853, may be has finished.]>
[INFO] 
[ERROR] Tests run: 84, Failures: 1, Errors: 0, Skipped: 4

[funky-eyes]

mvn clean install -DskipTests=false -Dcheckstyle.skip=false -Dlicense.skip=false

please use this command to test locally

[slievrly]

@LiWenGu

[LiWenGu]

@LiWenGu

https://github.com/seata/seata/blob/772d55d912ffd03c0c8feb5e1670144b5530636c/server/src/main/java/io/seata/server/coordinator/AbstractCore.java#L115-L123
这个单元测试应该在117行就报错的，在119行报错，说明有其它的干扰，即 SessionHolder 已被 Thread 绑定。还有一个是错误日志还有个报错，是 java.net.BindException: Address already in use，说明这个单元测试的客户端请求是某个不知名的单元测试的服务端（服务端没有正确关闭）。所以我猜测有两个问题：

1. SessionHolder 被干扰
2. 服务端启动被干扰

[funky-eyes]

请解决代码冲突

[codecov-commenter]

Codecov Report

Merging #3110 (efc4847) into develop (129c2f3) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##             develop    #3110      +/-   ##
=============================================
- Coverage      49.59%   49.58%   -0.01%     
+ Complexity      3730     3729       -1     
=============================================
  Files            693      693              
  Lines          23402    23402              
  Branches        2899     2899              
=============================================
- Hits           11606    11604       -2     
- Misses         10631    10632       +1     
- Partials        1165     1166       +1     

Impacted Files	Coverage Δ
...torage/file/store/FileTransactionStoreManager.java	56.12% <0.00%> (-0.65%)	⬇️

[slievrly]

LGTM