--- a/jdk/test/java/awt/dnd/Button2DragTest/Button2DragTest.java	Fri Jun 17 21:08:03 2016 +0800
+++ b/jdk/test/java/awt/dnd/Button2DragTest/Button2DragTest.java	Tue Jun 14 10:44:59 2016 +0200
@@ -41,6 +41,7 @@
 
 /**
  * @test
+ * @key headful
  * @bug 4955110
  * @summary tests that DragSourceDragEvent.getDropAction() accords to its new
  *          spec (does not depend on the user drop action)