[jfx17u] RFR: 8289751: Multiple unit test failures after JDK-8251483

[Jose Pereda]

Clean backport of 8289751: Multiple unit test failures after JDK-8251483
Reviewed-by: kcr

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Commit messages:
 - 8289751: Multiple unit test failures after JDK-8251483

Changes: https://git.openjdk.org/jfx17u/pull/153/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=153&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289751
  Stats: 3 lines in 2 files changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx17u/pull/153.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u.git pull/153/head:pull/153

PR: https://git.openjdk.org/jfx17u/pull/153