test/jdk/java/awt/TrayIcon/ActionEventMask/ActionEventMask.java

@@ -25,10 +25,11 @@
 import java.awt.event.*;
 import java.awt.image.BufferedImage;
 
 /*
  * @test
+ * @key headful
  * @summary Check if ActionEvent triggered when a TrayIcon is double
  *          (single, on Mac) clicked is visible by an AWTEventListener
  *          added to the Toolkit. It also checks if all listeners are
  *          triggered when multiple AWTEventListeners and ActionListeners
  *          are added.