Clean up and iopen source five more regression tests related to the java.awt.Choice component.
------------- Commit messages: - 8341170: Open source several Choice related tests (part 2) Changes: https://git.openjdk.org/jdk/pull/21334/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21334&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341170 Stats: 659 lines in 5 files changed: 659 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/21334.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21334/head:pull/21334 PR: https://git.openjdk.org/jdk/pull/21334
