[jdk11u-dev] RFR: 8269529: javax/swing/reliability/HangDuringStaticInitialization.java fails in Windows debug build

[Christoph Langer]

Backport of this test fix since it applies to jdk11u as well.

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Commit messages:
 - Backport d042029509a8cbdb723f78e2cfee4e2885775814

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/78/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=78&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269529
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/78.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/78/head:pull/78

PR: https://git.openjdk.java.net/jdk11u-dev/pull/78