[jdk25u-dev] RFR: 8370966: Create regression test for the hierarchical memory limit fix in JDK-8370572 [v2]

[Severin Gehwolf]

> Clean backport of the test for #76

Severin Gehwolf has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'jdk-8370572-backport' into jdk-8370966-test-backport
 - Backport 291003208c025ce4f9a94ba6093e207d0792bbb9

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Changes:
  - all: https://git.openjdk.org/jdk25u-dev/pull/77/files
  - new: https://git.openjdk.org/jdk25u-dev/pull/77/files/2dc80466..fd893a0f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=77&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=77&range=00-01

  Stats: 29 lines in 1 file changed: 4 ins; 17 del; 8 mod
  Patch: https://git.openjdk.org/jdk25u-dev/pull/77.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/77/head:pull/77

PR: https://git.openjdk.org/jdk25u-dev/pull/77