[jdk19u] RFR: 8291508: Fix some tests with "requires vm.jvmti & vm.continuations"

[Ao Qi]

I would like to backport this test fix. Low risk, only test changes. Clean backport. The changed tests passed.

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Commit messages:
 - Backport 0cc49fd9eac5259543a3c41b7a32b6e01a1b0ad5

Changes: https://git.openjdk.org/jdk19u/pull/14/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19u&pr=14&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8291508
  Stats: 2 lines in 2 files changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk19u/pull/14.diff
  Fetch: git fetch https://git.openjdk.org/jdk19u pull/14/head:pull/14

PR: https://git.openjdk.org/jdk19u/pull/14