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

[Dermot Boyle]

… extract method for Windows specific test

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Commit messages:
 - Removed more whitespace for JCheck
 - Removed whitespace for JCheck
 - JDK-8359449: [TEST] open/test/jdk/java/io/File/SymLinks.java Refactor extract method for Windows specific test

Changes: https://git.openjdk.org/jdk/pull/25853/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25853&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/jdk/pull/25853.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25853/head:pull/25853

PR: https://git.openjdk.org/jdk/pull/25853