code: @Test public void testExpressions(){
    ModelNode legacyModel=new ModelNode();
    legacyModel.get("name").set(new ValueExpression("${name}"));
    legacyModel.get("giop-minor-version").set(new ValueExpression("${giop.minor.version:2}"));
    ModelNode newModel=TransformUtils.transformModel(legacyModel);
    Assert.assertTrue(newModel.get("name").equals(new ModelNode(new ValueExpression("${name}"))));
    Assert.assertTrue(newModel.get("giop-version").equals(new ModelNode(new ValueExpression("${giop.minor.version:1.2}"))));
  }
  