[jdk8u-dev] RFR: 8233570: [TESTBUG] HTMLEditorKit test bug5043626.java is failing on macos

[Sergey Bylokhov]

Backport to fix a test bug.

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Commit messages:
 - Backport a5b42ec8b29249814dda28e751ee363869e98da0

Changes: https://git.openjdk.org/jdk8u-dev/pull/247/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=247&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8233570
  Stats: 38 lines in 1 file changed: 14 ins; 3 del; 21 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/247.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/247/head:pull/247

PR: https://git.openjdk.org/jdk8u-dev/pull/247