test/javax/swing/JTabbedPane/7161568/bug7161568.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.

*** 25,34 ****
--- 25,35 ----
  import java.awt.event.*;
  import sun.awt.SunToolkit;
  
  /**
   * @test
+  * @key headful
   * @bug 7161568
   * @author Alexander Scherbatiy
   * @summary Tests that navigating tabs in the JTAbbedPane does not throw NPE
   * @run main bug7161568
   */