test/java/awt/Component/TreeLockDeadlock/TreeLockDeadlock.java

rev 14836 : 8159690: [TESTBUG] Mark headful tests with @key headful.

@@ -28,10 +28,11 @@
 import static java.util.concurrent.TimeUnit.MINUTES;
 import static java.util.concurrent.TimeUnit.NANOSECONDS;
 
 /**
  * @test
+ * @key headful
  * @bug 8138764
  */
 public final class TreeLockDeadlock extends Frame {
 
     @Override