[jdk11u-dev] RFR: 8230228: [TESTBUG] Several runtime/ErrorHandling tests may fail on some platforms

[Ao Qi]

The patch applies clean. Low risk, only test changes. Modified tests passed on linux-x64.

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Commit messages:
 - Backport 63dbcdc87456de230741767c298e72f428c34f47

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/514/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=514&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8230228
  Stats: 4 lines in 4 files changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/514.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/514/head:pull/514

PR: https://git.openjdk.java.net/jdk11u-dev/pull/514