[jdk17u-dev] RFR: 8319932: [JVMCI] class unloading related tests can fail on libgraal

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle

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Commit messages:
 - Backport 7d53559d2f8f3c27f4d764f081fb031f7660c50b

Changes: https://git.openjdk.org/jdk17u-dev/pull/3766/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3766&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319932
  Stats: 45 lines in 2 files changed: 40 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3766.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3766/head:pull/3766

PR: https://git.openjdk.org/jdk17u-dev/pull/3766