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

Backport-of: 1772a929af0c31bf22153cc19c5d11b00273453b

Author: GoeLin

test/jdk/javax/swing/JTabbedPane/bug4666224.java

@@ -49,7 +49,7 @@ public class bug4666224 {
     private static JFrame frame;
 
     private static final String INSTRUCTIONS = """
-                ON ALL PLATFORMS
+                ON ALL PLATFORMS except macos where pt.6 is not applicable
                     1. Click on any of the tabs, focus indicator is visible.
                     2. Lose focus on the window by clicking on some other window.
                     3. Focus indicator should disappear