},
	}

	algorithmCases := []struct {
		name  string
		newLB func(conns []*loadbalancer.WeightedConnection) network.Connection
	}{
		{
			name:  "round robin",
			newLB: loadbalancer.NewRoundRobin,
		},
		{
			name: "least request",
			newLB: func(conns []*loadbalancer.WeightedConnection) network.Connection {

	conn, err := lb.ln.Accept()
	if err != nil {
		lb.t.Fatalf("failed to accept: %v", err)
	}
	atomic.AddInt32(&lb.dials, 1)
	go lb.handleConnection(conn, stopCh)
}

func newLB(t *testing.T, serverURL string) *tcpLB {
	ln, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {
		t.Fatalf("failed to bind: %v", err)
	}
	lb := tcpLB{
		serverURL: serverURL,
		ln:        ln,