[jdk21u] RFR: 8315960: test/jdk/java/io/File/TempDirDoesNotExist.java leaves test files behind

[Aleksey Shipilev]

Fixes the littering test.

Additional testing:
 - [x] Checked that littering does not happen anymore

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Commit messages:
 - Backport 373cdf257de78940b2e55e9f5fc38b6233561baf

Changes: https://git.openjdk.org/jdk21u/pull/246/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=246&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315960
  Stats: 114 lines in 1 file changed: 55 ins; 20 del; 39 mod
  Patch: https://git.openjdk.org/jdk21u/pull/246.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/246/head:pull/246

PR: https://git.openjdk.org/jdk21u/pull/246