[jdk17u-dev] RFR: 8354561: Open source several swing tests batch0

Wed Oct 8 17:16:48 UTC 2025

Backporting JDK-8354561: Open source several swing tests batch0. Adds three combo box tests and a test for drawing borders and titles. Ran GHA Sanity Checks and new tests directly. Patch is clean. Backporting for parity with Oracle.

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Commit messages:
 - Backport a4c5ed8144376f7ba0d2cb992da63b3e53d51f8b

Changes: https://git.openjdk.org/jdk17u-dev/pull/4025/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4025&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354561
  Stats: 397 lines in 4 files changed: 397 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4025.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4025/head:pull/4025

PR: https://git.openjdk.org/jdk17u-dev/pull/4025