[jdk25u] RFR: 8359449: [TEST] open/test/jdk/java/io/File/SymLinks.java Refactor extract method for Windows specific test

[Abhishek N]

jdk-25.0.1/bin/java -jar jtreg7.5.2/jtreg/lib/jtreg.jar -testjdk:jdk-25.0.1 -dir:jdk25u-cpu/open/test/jdk/ java/io/File/SymLinks.java
Directory "JTwork" not found: creating
Directory "JTreport" not found: creating
Test results: passed: 1
Report written to C:\jck\colocation\JTreport\html\report.html
Results written to C:\jck\colocation\JTwork

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Commit messages:
 - Backport 49a82d880636a632f4a3471b14b1b1b29ce1d5e6

Changes: https://git.openjdk.org/jdk25u/pull/93/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=93&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8359449
  Stats: 37 lines in 1 file changed: 20 ins; 15 del; 2 mod
  Patch: https://git.openjdk.org/jdk25u/pull/93.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/93/head:pull/93

PR: https://git.openjdk.org/jdk25u/pull/93