test/javax/swing/Popup/TaskbarPositionTest.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.

*** 26,35 ****
--- 26,36 ----
  import javax.swing.*;
  import javax.swing.event.*;
  
  /**
   * @test @bug 4245587 4474813 4425878 4767478 8015599
+  * @key headful
   * @author Mark Davidson
   * @summary Tests the location of the heavy weight popup portion of JComboBox,
   * JMenu and JPopupMenu.
   * @library ../regtesthelpers
   * @build Util