Enhance tests for zone names with explicit DST offsets to verify both long and short names.
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - Removed auto-detect code - initial commit Changes: https://git.openjdk.org/jdk/pull/32060/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32060&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8388794 Stats: 24 lines in 1 file changed: 9 ins; 0 del; 15 mod Patch: https://git.openjdk.org/jdk/pull/32060.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32060/head:pull/32060 PR: https://git.openjdk.org/jdk/pull/32060
