Fix test clean directory deletion (#17860)

[Caideyipi]

Backport #17860 to dev/1.3.

Cherry picked from ddc6554.

Verification:

• mvn -pl iotdb-core/datanode -Dtest=EnvironmentUtilsTest,ConfigurationFileUtilsTest,PipeDataNodePluginAgentTest,AbstractRepairDataTest -DfailIfNoTests=false test (fails during existing datanode main-source compilation errors in pipe/RPC code before tests run)
• mvn -pl iotdb-core/node-commons -Dtest=FileUtilsTest -DfailIfNoTests=false test

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 42.56%. Comparing base (91ee301) to head (300df6f).
⚠️ Report is 29 commits behind head on dev/1.3.

Additional details and impacted files

@@            Coverage Diff             @@
##             dev/1.3   #17990   +/-   ##
==========================================
  Coverage      42.56%   42.56%           
  Complexity       241      241           
==========================================
  Files           3622     3622           
  Lines         241283   241283           
  Branches       29408    29408           
==========================================
+ Hits          102711   102713    +2     
+ Misses        138572   138570    -2     

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