s.Close()
	s.Close()
}

// Issue 17717: tests that Server.SetKeepAlivesEnabled is respected by
// both HTTP/1 and HTTP/2.
func TestServerKeepAlivesEnabled(t *testing.T) { run(t, testServerKeepAlivesEnabled, testNotParallel) }
func testServerKeepAlivesEnabled(t *testing.T, mode testMode) {
	if mode == http2Mode {
		restore := ExportSetH2GoawayTimeout(10 * time.Millisecond)
		defer restore()
	}