WaterFilter forgot the heightmap for the test case

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9552 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/test/jme3test/water/TestMultiPostWater.java

@@ -147,7 +147,7 @@ public class TestMultiPostWater extends SimpleApplication {
         matRock.setBoolean("useTriPlanarMapping", false);
         matRock.setBoolean("WardIso", true);
         matRock.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
-        Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/test.png");
+        Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/pools.png");
         Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
         grass.setWrap(WrapMode.Repeat);
         matRock.setTexture("DiffuseMap", grass);