This will test your browser and connection for IPv6 readiness, as well as show you your current IPV4 and IPv6 address. Test cricket is the longest form of the sport of cricket. Test matches are played between national representative teams with "Test status", as determined by the List of Test cricket records - History of Test cricket - List of Test cricketers. The HTML5 test does not try to test all of the new features offered by HTML5, nor does it try to test the functionality of each feature it does detect. Despite these.