// before the response body has been read. This was a regression
// which sadly lacked a triggering test. The large response body made
// the old race easier to trigger.
func TestIssue3644(t *testing.T) { run(t, testIssue3644) }
func testIssue3644(t *testing.T, mode testMode) {
	const numFoos = 5000
	ts := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {
		w.Header().Set("Connection", "close")