test/javax/swing/JRootPane/4670486/bug4670486.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

@@ -26,10 +26,11 @@
 import javax.swing.*;
 import sun.awt.SunToolkit;
 
 /**
  * @test
+ * @key headful
  * @bug 4670486
  * @author Mark Davidson
  * @summary Regression: Popup menu bindings doesn't work when a default button has been defined.
  * @library ../../regtesthelpers
  * @build Util