Client returns a http client compatible with the http2 test server.

Handler returns a http handler which decodes and matches JSON request bodies with the in interface{}, and writes the out interface{} as JSON to the response writer.

Server starts an insecure http2 enabled server for testing a route.

StreamingHandler matches an initial JSON request body with the given in param, then writes each of the given outs params to the response waiting 100ms inbetween each.