RFR: 8326062: ProblemList jcstress tests that are failing due to JDK-8325984

[Daniel D. Daugherty]

A trivial fix to ProblemList jcstress tests that are failing due to JDK-8325984.

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Commit messages:
 - 8326062: ProblemList jcstress tests that are failing due to JDK-8325984

Changes: https://git.openjdk.org/jdk/pull/17890/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17890&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326062
  Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/17890.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17890/head:pull/17890

PR: https://git.openjdk.org/jdk/pull/17890