[jdk21u-dev] RFR: 8370966: Create regression test for the hierarchical memory limit fix in JDK-8370572

[Severin Gehwolf]

Backport of the regression test for https://github.com/openjdk/jdk21u-dev/pull/2532

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Depends on: https://git.openjdk.org/jdk21u-dev/pull/2532

Commit messages:
 - Backport c3eecc0465e570dcc19aa1f5bc9ed4db8dcb4e63

Changes: https://git.openjdk.org/jdk21u-dev/pull/2533/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2533&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370966
  Stats: 191 lines in 8 files changed: 154 ins; 32 del; 5 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2533.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2533/head:pull/2533

PR: https://git.openjdk.org/jdk21u-dev/pull/2533