[jdk25u-dev] RFR: 8366938: Test runtime/handshake/HandshakeTimeoutTest.java crashed

[Roland Mesde]

Backporting JDK-8366938: Test runtime/handshake/HandshakeTimeoutTest.java crashed.

Recent timeout-factor change reduced test timeout from 480 to 120 seconds and resulted in test experiencing cascading failures starting with handshake timeout. The commit restores original 480-second timeout to accommodate the test's variable execution time and prevent premature timeout handler engagement.

For parity with Oracle JDK.

Ran related tests on linux-x64, linux-aarch64, macos-aarch64 and windows-x64:

(Passed) - make test TEST=test/hotspot/jtreg/runtime/handshake

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Commit messages:
 - Backport 8ab8d02e40e987a5eb5e8036ff4f12146ac2b16a

Changes: https://git.openjdk.org/jdk25u-dev/pull/79/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=79&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8366938
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk25u-dev/pull/79.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/79/head:pull/79

PR: https://git.openjdk.org/jdk25u-dev/pull/79