[jdk21u-dev] RFR: 8354214: Open source Swing tests Batch 2

Thu Sep 4 04:02:13 UTC 2025

Backporting JDK-8354214: Open source Swing tests Batch 2. Adds three list related tests. Ran GHA Sanity Checks, local Tier 1 and 2, and new tests directly. Patch is clean. Backporting for parity with Oracle.

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Commit messages:
 - Backport 2be5bc847a444f08a4ebb41b58e8a2bf4553d621

Changes: https://git.openjdk.org/jdk21u-dev/pull/2149/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2149&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354214
  Stats: 340 lines in 3 files changed: 340 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2149.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2149/head:pull/2149

PR: https://git.openjdk.org/jdk21u-dev/pull/2149