RFR: 8322881: [TESTBUG]java/nio/file/Files/CopyMoveVariations.java fails when run with non-root user

[SendaoYan]

8322881: [TESTBUG]java/nio/file/Files/CopyMoveVariations.java fails when run with non-root user

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Commit messages:
 - 8322881: [TESTBUG]java/nio/file/Files/CopyMoveVariations.java fails when run with non-root user

Changes: https://git.openjdk.org/jdk/pull/17606/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17606&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322881
  Stats: 7 lines in 1 file changed: 4 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/17606.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17606/head:pull/17606

PR: https://git.openjdk.org/jdk/pull/17606