RFR: 8341170: Open source several Choice related tests (part 2)

[Alexander Zuev]

Clean up and iopen source five more regression tests related to the java.awt.Choice component.

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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