tests: fix MustNewMember

tests/framework/integration/cluster.go

@@ -1682,7 +1682,8 @@ func (p SortableProtoMemberSliceByPeerURLs) Less(i, j int) bool {
 func (p SortableProtoMemberSliceByPeerURLs) Swap(i, j int) { p[i], p[j] = p[j], p[i] }
 
 // MustNewMember creates a new member instance based on the response of V3 Member Add API.
-func (c *Cluster) MustNewMember(t testutil.TB, resp *clientv3.MemberAddResponse) *Member {
+// Pass nil for tlsinfo if the member's PeerURLs don't use HTTPS.
+func (c *Cluster) MustNewMember(t testutil.TB, resp *clientv3.MemberAddResponse, tlsinfo *transport.TLSInfo) *Member {
 	m := c.mustNewMember(t)
 	m.IsLearner = resp.Member.IsLearner
 	m.NewCluster = false
@@ -1693,5 +1694,20 @@ func (c *Cluster) MustNewMember(t testutil.TB, resp *clientv3.MemberAddResponse)
 	}
 	m.InitialPeerURLsMap[m.Name] = types.MustNewURLs(resp.Member.PeerURLs)
 	c.Members = append(c.Members, m)
+
+	// c.mustNewMember(t) creates a new member without using resp.Member.PeerURLs.
+	// We should override PeerURLs and PeerListeners set by mustNewMember.
+	urls := types.MustNewURLs(resp.Member.PeerURLs)
+	m.PeerURLs = urls
+	var listeners []net.Listener
+	for _, url := range urls {
+		l, err := transport.NewListener(url.Host, url.Scheme, tlsinfo)
+		if err != nil {
+			t.Fatal("failed to listen on %v: %v", url, err)
+		}
+		listeners = append(listeners, l)
+	}
+	m.PeerListeners = listeners
+
 	return m
 }

tests/integration/clientv3/cluster_test.go

@@ -264,7 +264,7 @@ func TestMemberPromote(t *testing.T) {
 
 	// create and launch learner member based on the response of V3 Member Add API.
 	// (the response has information on peer urls of the existing members in cluster)
-	learnerMember := clus.MustNewMember(t, memberAddResp)
+	learnerMember := clus.MustNewMember(t, memberAddResp, nil)
 
 	if err = learnerMember.Launch(); err != nil {
 		t.Fatal(err)