test(color): Test new Color Nearing Method

src/de/steamwar/lobby/map/CustomMap.java

@@ -63,7 +63,7 @@ public class CustomMap {
         }
 
         IndexColorModel model = new IndexColorModel(8, length, r, g, b);
-        BufferedImage bufferedImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB, model);
+        BufferedImage bufferedImage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_INDEXED, model);
 
         bufferedImage.getGraphics().drawImage(image, 0, 0, null);