Failed Test Fix

Restored Elephant.Skeleton.xml file for the Core tests, needed a mes.xml file with an anim composer

Modified screenshottests files to load the .j3o files rather than the previously changed ogre files

Author: NwosuTy

jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/export/TestOgreConvert.java

@@ -73,7 +73,7 @@ protected void initialize(Application app){
                         AssetManager assetManager = app.getAssetManager();
                         Node rootNode = ((SimpleApplication)app).getRootNode();
                         Camera cam = app.getCamera();
-                        Spatial ogreModel = assetManager.loadModel("Models/Oto/Oto.mesh.xml");
+                        Spatial ogreModel = assetManager.loadModel("Models/Oto/Oto.j3o");
 
                         DirectionalLight dl = new DirectionalLight();
                         dl.setColor(ColorRGBA.White);

jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestCartoonEdge.java

@@ -106,7 +106,7 @@ private void setupLighting(Node rootNode) {
             }
 
             private void setupModel(SimpleApplication app, Node rootNode) {
-                Spatial model = app.getAssetManager().loadModel("Models/MonkeyHead/MonkeyHead.mesh.xml");
+                Spatial model = app.getAssetManager().loadModel("Models/MonkeyHead/MonkeyHead.j3o");
                 makeToonish(app, model);
                 model.rotate(0, FastMath.PI, 0);
                 rootNode.attachChild(model);

jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/post/TestLightScattering.java

@@ -76,7 +76,7 @@ protected void initialize(Application app) {
                 simpleApplication.getCamera().setRotation(new Quaternion(0.010414706f, 0.9874893f, 0.13880467f, -0.07409228f));
 
                 Material mat = simpleApplication.getAssetManager().loadMaterial("Textures/Terrain/Rocky/Rocky.j3m");
-                Spatial scene = simpleApplication.getAssetManager().loadModel("Models/Terrain/Terrain.mesh.xml");
+                Spatial scene = simpleApplication.getAssetManager().loadModel("Models/Terrain/Terrain.j3o");
                 MikktspaceTangentGenerator.generate(((Geometry) ((Node) scene).getChild(0)).getMesh());
                 scene.setMaterial(mat);
                 scene.setShadowMode(ShadowMode.CastAndReceive);