// not sending Connection: close is just a minor wire
// optimization and is pointless if dealing with a
// badly behaved client.
func TestHTTP10ConnectionHeader(t *testing.T) {
	run(t, testHTTP10ConnectionHeader, []testMode{http1Mode})
}
func testHTTP10ConnectionHeader(t *testing.T, mode testMode) {
	mux := NewServeMux()
	mux.Handle("/", HandlerFunc(func(ResponseWriter, *Request) {}))