Add instructions to run the test suite

Author: Dali Kilani

README.mdown

@@ -15,6 +15,16 @@ Documentation
 ------------------
    * Website: [www.cocos2d-x.org][3]
 
+Running the tests
+------------------
+`
+$ git clone git://github.com/cocos2d/cocos2d-html5.git
+$ cd cocos2d-html5
+$ git submodule update --init
+$ python -m SimpleHTTPServer
+... and run a brower and open it in localhost:8000/tests
+`
+
 Contact us
 ------------------
    * Forum: [http://forum.cocos2d-x.org][5]
@@ -27,4 +37,4 @@ Contact us
 [4]: http://www.cocos2d-x.org/embedded/cocos2d-x/classes.html "API References"
 [5]: http://forum.cocos2d-x.org "http://forum.cocos2d-x.org"
 [6]: http://www.twitter.com/cocos2dhtml5 "http://www.twitter.com/cocos2dhtml5"
-[7]: http://t.sina.com.cn/cocos2dhtml5 "http://t.sina.com.cn/cocos2dhtml5"
+[7]: http://t.sina.com.cn/cocos2dhtml5 "http://t.sina.com.cn/cocos2dhtml5"