[jdk17u-dev] RFR: 8307381: Open Source JFrame, JIF related Swing Tests

[Victor Rudometov]

Backport of https://github.com/openjdk/jdk/commit/4386d42d31af9042121581cd3fd4d5a7cf8961e6
https://bugs.openjdk.org/browse/JDK-8307381 Open Source JFrame, JIF related Swing Tests

Clean backport, new tests, low risk
Checked on macos x64, linux x64, all good

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Commit messages:
 - Backport 4386d42d31af9042121581cd3fd4d5a7cf8961e6

Changes: https://git.openjdk.org/jdk17u-dev/pull/1354/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1354&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307381
  Stats: 354 lines in 6 files changed: 354 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1354.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1354/head:pull/1354

PR: https://git.openjdk.org/jdk17u-dev/pull/1354