[jdk17] RFR: 8268699: Shenandoah: Add test for JDK-8268127

[Zhengyu Gu]

I would like to backport this new test to jdk17 to ensure no regression of JDK-8268127.

Test:

- [x] new test passed

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

Commit messages:
 - Backport e59acd9860ca9e50c91472f8215f73c17d2099b6

Changes: https://git.openjdk.java.net/jdk17/pull/171/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=171&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268699
  Stats: 71 lines in 1 file changed: 71 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/171.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/171/head:pull/171

PR: https://git.openjdk.java.net/jdk17/pull/171