diff -r f14a1972f35d -r 50d61f4b5d1a test/jdk/javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java
--- a/test/jdk/javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java	Tue Dec 05 17:19:48 2017 +0800
+++ b/test/jdk/javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java	Tue Nov 21 17:39:04 2017 +0100
@@ -30,6 +30,7 @@
  * @test
  * @bug 8188081
  * @summary  Text selection does not clear after focus is lost
+ * @key headful
  * @run main HidingSelectionTest
  */