[jdk21u-dev] RFR: 8320858: Move jpackage tests to tier3

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle

-------------

Commit messages:
 - Backport e44d4b24ed794957c47c140ab6f15544efa2b278

Changes: https://git.openjdk.org/jdk21u-dev/pull/1871/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1871&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320858
  Stats: 11 lines in 1 file changed: 6 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1871.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1871/head:pull/1871

PR: https://git.openjdk.org/jdk21u-dev/pull/1871