RFR: 8339906: Open source several AWT focus tests - series 4

[Prasanta Sadhukhan]

Opensource few Focus tests

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Commit messages:
 - 8339906: Open source several AWT focus tests - series 4

Changes: https://git.openjdk.org/jdk/pull/21051/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21051&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339906
  Stats: 506 lines in 4 files changed: 506 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21051.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21051/head:pull/21051

PR: https://git.openjdk.org/jdk/pull/21051