@Test
    public void testIssue954() {
        rootNode = new Node();
        rootNode.updateLogicalState(0.01f);
        rootNode.updateGeometricState();
        assert rootNode.worldBound != null;
    }
Verify that an empty Node gets a valid bounding volume. This was issue #954
at GitHub.

@author Stephen Gold
jme3-core/src/test/java/com/jme3/scene/TestIssue954.java