Fixed sign post material and adjusted ambient lights for the spot lights tests

jme3-examples/src/main/java/jme3test/light/TestSpotLight.java

@@ -58,7 +58,7 @@ public class TestSpotLight extends SimpleApplication {
     Geometry lightMdl;
     public void setupLighting(){
       AmbientLight al=new AmbientLight();
-      al.setColor(ColorRGBA.White.mult(0.8f));
+      al.setColor(ColorRGBA.White.mult(0.02f));
       rootNode.addLight(al);
         
       spot=new SpotLight();

jme3-examples/src/main/java/jme3test/light/TestSpotLightShadows.java

@@ -65,7 +65,7 @@ public class TestSpotLightShadows extends SimpleApplication {
 
     public void setupLighting() {
         AmbientLight al = new AmbientLight();
-        al.setColor(ColorRGBA.White.mult(0.3f));
+        al.setColor(ColorRGBA.White.mult(0.02f));
         rootNode.addLight(al);
 
         rootNode.setShadowMode(ShadowMode.CastAndReceive);

jme3-examples/src/main/java/jme3test/light/TestSpotLightTerrain.java

@@ -95,7 +95,7 @@ public class TestSpotLightTerrain extends SimpleApplication {
         rootNode.addLight(sl);
 
         AmbientLight ambLight = new AmbientLight();
-        ambLight.setColor(new ColorRGBA(0.8f, 0.8f, 0.8f, 0.2f));
+        ambLight.setColor(ColorRGBA.Black);
         rootNode.addLight(ambLight);
 
         cam.setLocation(new Vector3f(-41.219646f, -84.8363f, -171.67267f));

jme3-testdata/src/main/resources/Models/Sign Post/Sign Post.j3m

@@ -1,11 +1,11 @@
 Material Signpost : Common/MatDefs/Light/Lighting.j3md {
     MaterialParameters {
          Shininess: 4.0
-         DiffuseMap:  Models/Sign Post/Sign Post.jpg
+         DiffuseMap:  "Models/Sign Post/Sign Post.jpg"
-         NormalMap:   Models/Sign Post/Sign Post_normal.jpg
+         NormalMap:   "Models/Sign Post/Sign Post_normal.jpg"
-         SpecularMap: Models/Sign Post/Sign Post_specular.jpg
+         SpecularMap: "Models/Sign Post/Sign Post_specular.jpg"
          UseMaterialColors : true
-         Ambient  : 0.5 0.5 0.5 1.0
+         Ambient  : 1.0 1.0 1.0 1.0
          Diffuse  : 1.0 1.0 1.0 1.0
          Specular : 1.0 1.0 1.0 1.0
     }