[jdk17u-dev] RFR: 8299779: Test tools/jpackage/share/jdk/jpackage/tests/MainClassTest.java timed out

[Amos Shi]

Backport of [JDK-8299779](https://bugs.openjdk.org/browse/JDK-8299779)

Testing
- Local: Test passed on MacOS 14.5
  - `MainClassTest.java`: Test results: passed: 1
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport 0a4d54f7ce2ac906a8012ed92c84ed8303cb4b90

Changes: https://git.openjdk.org/jdk17u-dev/pull/2582/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2582&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299779
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2582.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2582/head:pull/2582

PR: https://git.openjdk.org/jdk17u-dev/pull/2582