Making the unit tests for JSON API run in the tier 3 layer in CI. --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
------------- Commit messages: - initial commit Changes: https://git.openjdk.org/jdk/pull/32820/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32820&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8392180 Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/32820.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32820/head:pull/32820 PR: https://git.openjdk.org/jdk/pull/32820
