RFR: JDK-8313582: Problemlist failing test on linux x86

[Thomas Stuefe]

Trivial patch to problemlist two tests on linux x86 that keep failing in GHAs.

-------------

Commit messages:
 - JDK-8313582-Problemlist-x86-tests

Changes: https://git.openjdk.org/jdk/pull/15117/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15117&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313582
  Stats: 19 lines in 1 file changed: 19 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15117.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15117/head:pull/15117

PR: https://git.openjdk.org/jdk/pull/15117