integration: treat client TLS connecting to insecure server as timeout

integration/v3_grpc_test.go

@@ -21,7 +21,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/coreos/etcd/clientv3"
 	"github.com/coreos/etcd/etcdserver/api/v3rpc"
 	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
 	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
@@ -961,7 +960,7 @@ func TestTLSGRPCRejectSecureClient(t *testing.T) {
 	client, err := NewClientV3(clus.Members[0])
 	if client != nil || err == nil {
 		t.Fatalf("expected no client")
-	} else if err != clientv3.ErrNoAvailableEndpoints {
+	} else if err != grpc.ErrClientConnTimeout {
 		t.Fatalf("unexpected error (%v)", err)
 	}
 }