test/javax/swing/text/AbstractDocument/6968363/Test6968363.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

*** 42,51 ****
--- 42,52 ----
  import static java.awt.event.KeyEvent.VK_LEFT;
  import static javax.swing.SwingUtilities.invokeAndWait;
  
  /*
   * @test
+  * @key headful
   * @bug 6968363
   * @summary Ensures that a custom document may not extend AbstractDocument
   * @author Sergey Malenkov
   */
  public class Test6968363 implements Runnable, Thread.UncaughtExceptionHandler {