[jdk21u-dev] RFR: 8347000: Bug in com/sun/net/httpserver/bugs/B6361557.java test

[Goetz Lindenmaier]

I backport this test change as it also goes to 21.0.9-oracle

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Commit messages:
 - Backport 5e6cda4799a6bf12370bc6a04b218ebed32dee53

Changes: https://git.openjdk.org/jdk21u-dev/pull/1816/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1816&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347000
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1816.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1816/head:pull/1816

PR: https://git.openjdk.org/jdk21u-dev/pull/1816