[jdk8u-dev] RFR: 8196467: javax/swing/JInternalFrame/Test6325652.java fails

[Sergey Bylokhov]

The fix for a test issue.

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Commit messages:
 - Backport be762d7ac85910bffd7fd8e91e04d81961c35966

Changes: https://git.openjdk.org/jdk8u-dev/pull/238/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=238&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8196467
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/238.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/238/head:pull/238

PR: https://git.openjdk.org/jdk8u-dev/pull/238