RFR: 8334457: Test javax/swing/JTabbedPane/bug4666224.java fail on macOS with because pressing the ‘C’ key does not switch the layout to WRAP_TAB_LAYOUT

[Prasanta Sadhukhan]

This test tests the wrapping policy of JTabbedPane in one of the subinstructions which is not applicable for macos which does not support wrapping or scrolling in tabbed layout.
It can be seen in "Dictionary" native app amongst others where resizing the windows to smaller size does not wrap the tabbedpane.
Updated test instruction to highlight the macos-not-applicable point..

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Commit messages:
 - dummy commit
 - 8334457: Test javax/swing/JTabbedPane/bug4666224.java fail on macOS with because pressing the ‘C’ key does not switch the layout to WRAP_TAB_LAYOUT

Changes: https://git.openjdk.org/jdk/pull/20068/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20068&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334457
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20068.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20068/head:pull/20068

PR: https://git.openjdk.org/jdk/pull/20068