How to Conduct a Basic Burn Test

Have you started making candles as your craft?  And you are wondering how long your candles burn? On the internet there are probably a variety of articles on how to determine your candles will burn.  And the type of wax and size of wick will effect how long your candles will burn.  So how do you conduct a burn test?  I found this article on How to Conduct a Basic Burn Test that can get you started.  So start testing because this information will be important if you start selling your creations.