RFR: 8346051: MemoryTest fails when Shenandoah's generational mode is enabled [v2]

[William Kemper]

> This test makes assertions about the number of gc manager beans and the number of memory pools. The generational mode for Shenandoah adds another memory pool.

William Kemper has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright date

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Changes:
  - all: https://git.openjdk.org/jdk/pull/22695/files
  - new: https://git.openjdk.org/jdk/pull/22695/files/57526d7f..2eb4ad12

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22695&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22695&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22695.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22695/head:pull/22695

PR: https://git.openjdk.org/jdk/pull/22695