my test is not commong even after a good speed of internet connection

You did not mention about which test you are talking. If you are talking about "Let's Review" test, then i would like to mention that i have checked it, it is running flawlessly at our end. I would request you to kindly switch to Internet Explorer in case your are using some other browser. Also, clear your cookies, temporary Internet files & history. These are a kind of hindrances in the smooth functioning of your system. For further assistance, feel free to get in touch with us @ 011-40705070