.

go/xcommon/xnet/pipenet/pipenet.go

@@ -131,7 +131,7 @@ type dialReq struct {
 //
 // New does not check whether network name provided is unique.
 func New(name string) *Network {
-	return &Network{name: name}
+	return &Network{name: name, hostMap: make(map[string]*Host)}
 }
 
 // Host returns network access point by name

go/xcommon/xnet/pipenet/pipenet_test.go

@@ -78,6 +78,7 @@ func xwait(w interface { Wait() error }) {
 }
 
 func assertEq(t *testing.T, a, b interface{}) {
+	t.Helper()
 	if !reflect.DeepEqual(a, b) {
 		fmt.Printf("not equal:\nhave: %v\nwant: %v\n", a, b)
 		t.Errorf("not equal:\nhave: %v\nwant: %v", a, b)