Refactored two tests from TestNG to JUnit. Some trivial code cleanup. -------------
Commit messages: - JDK-8379006: [lworld] Convert value class serialization tests to JUnit Changes: https://git.openjdk.org/valhalla/pull/2188/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2188&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8379006 Stats: 125 lines in 2 files changed: 26 ins; 22 del; 77 mod Patch: https://git.openjdk.org/valhalla/pull/2188.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2188/head:pull/2188 PR: https://git.openjdk.org/valhalla/pull/2188
