[jdk21u-dev] RFR: 8340639: Open source few more AWT List tests

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle,

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Commit messages:
 - Backport dd56990962d58e4f482773f67bc43383d7748536

Changes: https://git.openjdk.org/jdk21u-dev/pull/1615/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1615&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340639
  Stats: 388 lines in 4 files changed: 388 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1615.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1615/head:pull/1615

PR: https://git.openjdk.org/jdk21u-dev/pull/1615