RFR: 8339906: Open source several AWT focus tests - series 4 [v5]

[Prasanta Sadhukhan]

> Opensource few Focus tests

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  Formatting, EDT addition

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21051/files
  - new: https://git.openjdk.org/jdk/pull/21051/files/c1a3daf6..4b6795d8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21051&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21051&range=03-04

  Stats: 68 lines in 2 files changed: 30 ins; 21 del; 17 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