test/jdk/javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java

rev 47956 : 8191678: [TESTBUG] Add keyword headful in java/awt and javax tests.
Summary: Also fix some NPE thrown if run headless.

@@ -28,10 +28,11 @@
 
 /**
  * @test
  * @bug 8188081
  * @summary  Text selection does not clear after focus is lost
+ * @key headful
  * @run main HidingSelectionTest
  */
 
 public class HidingSelectionTest {