<Swing Dev> [jdk17] RFR: 8269269: [macos11] SystemIconTest fails with ClassCastException [v2]

[Alexander Zuev]

> 8268280: javax/swing/JFileChooser/FileSystemView/SystemIconTest.java fails on windows

Alexander Zuev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge branch 'JDK-8269269' of https://github.com/azuev-java/jdk17 into JDK-8269269
 - 8269269: [macos11] SystemIconTest fails with ClassCastException
   8268280: javax/swing/JFileChooser/FileSystemView/SystemIconTest.java fails on windows
   
   Added additional checks that will protect from false negative due to the
   file being inaccessible or system environment variable overwritten
 - Removed test from problem list
 - 8269269: [macos11] SystemIconTest fails with ClassCastException
   8268280: javax/swing/JFileChooser/FileSystemView/SystemIconTest.java fails on windows
   
   Added additional checks that will protect from false negative due to the
   file being inaccessible or system environment variable overwritten

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk17/pull/176/files
  - new: https://git.openjdk.java.net/jdk17/pull/176/files/5aeb8f8a..8619b7e2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17&pr=176&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17&pr=176&range=00-01

  Stats: 2573 lines in 113 files changed: 1861 ins; 421 del; 291 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/176.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/176/head:pull/176

PR: https://git.openjdk.java.net/jdk17/pull/176