RFR: 8079786: [macosx] Test java/awt/Frame/DisposeParentGC/DisposeParentGC.java fails for Mac only [v2]

[Prasanta Sadhukhan]

> Test is now passing in mac..Several iterations of the test passed in CI system..link in JBS...deproblemlisted...

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  spacing

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18449/files
  - new: https://git.openjdk.org/jdk/pull/18449/files/565915f4..429fded4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18449&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18449&range=00-01

  Stats: 13 lines in 1 file changed: 4 ins; 1 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/18449.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18449/head:pull/18449

PR: https://git.openjdk.org/jdk/pull/18449