RFR: 8353586: Open source several toolkit tests

[Alexander Zvegintsev]

A couple of tests are open sourced.

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Commit messages:
 - initial

Changes: https://git.openjdk.org/jdk/pull/24513/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24513&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353586
  Stats: 400 lines in 2 files changed: 400 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24513.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24513/head:pull/24513

PR: https://git.openjdk.org/jdk/pull/24513