RFR: 8340393: Open source closed choice tests #2 [v2]

[Alexander Zvegintsev]

> few manual tests to open source
> Tested on all platforms, all looks good.

Alexander Zvegintsev has updated the pull request incrementally with one additional commit since the last revision:

  8340433: Open source closed choice tests #3

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21081/files
  - new: https://git.openjdk.org/jdk/pull/21081/files/fecc2f8c..29851a72

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21081&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21081&range=00-01

  Stats: 6 lines in 1 file changed: 3 ins; 3 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21081.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21081/head:pull/21081

PR: https://git.openjdk.org/jdk/pull/21081