Refactor the vector conversions tests to improve performance and reduce explicit test methods (using data providers).
------------- Commit messages: - 8256581: Refactor vector conversion tests Changes: https://git.openjdk.java.net/jdk/pull/1302/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1302&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8256581 Stats: 37231 lines in 6 files changed: 212 ins; 36768 del; 251 mod Patch: https://git.openjdk.java.net/jdk/pull/1302.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/1302/head:pull/1302 PR: https://git.openjdk.java.net/jdk/pull/1302
