test/javax/swing/JButton/JButtonPaintNPE/JButtonPaintNPE.java

rev 14989 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

@@ -31,10 +31,11 @@
 import javax.swing.JFrame;
 import javax.swing.SwingUtilities;
 
 /**
  * @test
+ * @key headful
  * @bug 8009919
  * @author Sergey Bylokhov
  * @library ../../../../lib/testlibrary/
  * @build ExtendedRobot
  * @run main JButtonPaintNPE