[jdk16] RFR: 8260608: add a regression test for 8260370 [v2]

[Igor Ignatyev]

> Hi all,
> 
> could you please review this small and trivial patch that adds a regression test for [8260370](https://bugs.openjdk.java.net/browse/JDK-8260370) ?
> 
> Thanks,
> -- Igor

Igor Ignatyev has updated the pull request incrementally with one additional commit since the last revision:

  refactored the test

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk16/pull/137/files
  - new: https://git.openjdk.java.net/jdk16/pull/137/files/5293f0e0..58b19fd7

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk16&pr=137&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk16&pr=137&range=00-01

  Stats: 26 lines in 1 file changed: 4 ins; 1 del; 21 mod
  Patch: https://git.openjdk.java.net/jdk16/pull/137.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16 pull/137/head:pull/137

PR: https://git.openjdk.java.net/jdk16/pull/137