test/javax/swing/JPopupMenu/6800513/bug6800513.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.

*** 22,31 ****
--- 22,32 ----
   * questions.
   */
  
  /*
   * @test
+  * @key headful
   * @bug 6800513
   * @summary GTK-LaF renders menus incompletely
   * @author Mario Torre
   * @library ../../regtesthelpers/
   * @build Util