// we closed it.
		conn.Close()
		ts.Config.ConnState(conn, http.StateClosed)
	}(conn)

	wg.Add(1)
	go func() {
		defer wg.Done()
		ts.Close()
	}()
	wg.Wait()
}

func TestTLSServerWithHTTP2(t *testing.T) {
	modes := []struct {
		name      string
		wantProto string
	}{
		{"http1", "HTTP/1.1"},
		{"http2", "HTTP/2.0"},
	}

	for _, tt := range modes {