test matches are the top international matches played between countries. the main point of test cricket is to test young players. the countries permitted to play test matches are accredited by the icc: the international cricket council. the twelve countries are listed below, with 'west indies',' england' counting for this purpose as a country. tests last for up to five days (this is why many also call it "5 day cricket.") and can still end in a draw match : it is the longest format of cricket.