unit tests for issue 3065

When using javascript through jsb, a call to getBoundingBox() returns an object with properties x/y/height/width and not origin/size properties.
Submitted as issue [3065](http://www.cocos2d-x.org/issues/3065)
cocos2d-x pull request [4010](https://github.com/cocos2d/cocos2d-x/pull/4010)