[jdk17u-dev] RFR: 8306954: Open source five Focus related tests

[Victor Rudometov]

Backport https://github.com/openjdk/jdk/commit/6d6d00b69cea47ccbe05a844db0fb6c384045caa
https://bugs.openjdk.org/browse/JDK-8306954 Open source five Focus related tests

Clean backport, new tests, low risk
Checked on macOS x64, linux x64, tests pass

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Commit messages:
 - Backport 6d6d00b69cea47ccbe05a844db0fb6c384045caa

Changes: https://git.openjdk.org/jdk17u-dev/pull/1362/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1362&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306954
  Stats: 962 lines in 5 files changed: 962 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1362.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1362/head:pull/1362

PR: https://git.openjdk.org/jdk17u-dev/pull/1362