panic(err)
			}

			server.Write(request[:])
			server.Close()
		}()

		startWrite := make(chan struct{})
		startRead := make(chan struct{})
		readDone := make(chan struct{}, 1)

		client := Client(c, testConfig)
		go func() {
			<-startWrite
			var request [1]byte
			client.Write(request[:])
		}()

		go func() {
			<-startRead

}

func (fr *http2Framer) maxHeaderListSize() uint32 {
	if fr.MaxHeaderListSize == 0 {
		return 16 << 20 // sane default, per docs
	}
	return fr.MaxHeaderListSize
}

func (f *http2Framer) startWrite(ftype http2FrameType, flags http2Flags, streamID uint32) {
	// Write the FrameHeader.
	f.wbuf = append(f.wbuf[:0],
		0, // 3 bytes of length, filled in in endWrite
		0,
		0,
		byte(ftype),

	errc := make(chan error, 1)
	startwritec := make(chan struct{})
	cst := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {
		ctl := NewResponseController(w)
		w.WriteHeader(200)
		if err := ctl.Flush(); err != nil {
			t.Errorf("ctl.Flush() = %v, want nil", err)
		}
		<-startwritec // don't set the deadline until the client reads response headers