if resp != nil {
					io.Copy(io.Discard, resp.Body)
					resp.Body.Close()
				}
			}
		}()
	}
	wg.Wait()
}

func TestSelectFlushInterval(t *testing.T) {
	tests := []struct {
		name string
		p    *ReverseProxy
		res  *http.Response
		want time.Duration
	}{
		{
			name: "default",
			res:  &http.Response{},