Updated legacy TestNG asserts to JUnit and added useful context to help debugging when assertions fail.
------------- Commit messages: - cloned test Changes: https://git.openjdk.org/valhalla/pull/2061/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2061&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8377362 Stats: 105 lines in 1 file changed: 6 ins; 55 del; 44 mod Patch: https://git.openjdk.org/valhalla/pull/2061.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2061/head:pull/2061 PR: https://git.openjdk.org/valhalla/pull/2061
