[jdk21u-dev] RFR: 8348107: test/jdk/java/net/httpclient/HttpsTunnelAuthTest.java fails intermittently

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle.

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Commit messages:
 - Backport 5c4a387b7e5643815542dd6938e8e1dbb817ad90

Changes: https://git.openjdk.org/jdk21u-dev/pull/1512/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1512&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8348107
  Stats: 19 lines in 1 file changed: 4 ins; 2 del; 13 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1512.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1512/head:pull/1512

PR: https://git.openjdk.org/jdk21u-dev/pull/1512