--- a/jdk/test/java/awt/Window/MultiWindowApp/MultiWindowAppTest.java	Fri Jun 17 21:08:03 2016 +0800
+++ b/jdk/test/java/awt/Window/MultiWindowApp/MultiWindowAppTest.java	Tue Jun 14 10:44:59 2016 +0200
@@ -23,6 +23,7 @@
 
 /**
  * @test @summary After calling frame.toBack() dialog goes to the back on Ubuntu 12.04
+ * @key headful
  * @bug 8022334
  * @author Semyon Sadetsky
  * @run main MultiWindowAppTest