test/java/awt/Graphics2D/WhiteTextColorTest.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.

@@ -25,15 +25,17 @@
 import java.awt.image.*;
 import javax.swing.*;
 
 /**
  * @test
+ * @key headful
  * @bug 8056009
  * @summary tests whether Graphics.setColor-calls with Color.white are ignored directly
  *          after pipeline initialization for a certain set of operations.
  * @author ceisserer
  */
+
 public class WhiteTextColorTest extends Frame {
     public static volatile boolean success = false;
 
     public WhiteTextColorTest() {
         Image dstImg = getGraphicsConfiguration()