[jdk21u-dev] RFR: 8339906: Open source several AWT focus tests - series 4

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle

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Commit messages:
 - Backport 46b02f49bcc730d94e37cf17fa996fdd12bdb990

Changes: https://git.openjdk.org/jdk21u-dev/pull/1541/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1541&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339906
  Stats: 526 lines in 4 files changed: 526 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1541.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1541/head:pull/1541

PR: https://git.openjdk.org/jdk21u-dev/pull/1541