The test server does not actually make sure the h2 test is using h2. If you are using a client that does not have h2 support then you are just using the fallbac

The test server does not actually make sure the h2 test is using h2. If you are using a client that does not have h2 support then you are just using the fallback code on the server and testing h1 against h1. An iphone is a good example :) (but it may be using spdy instead.. lots of variables)