VOL-1643 Update voltha-go to use voltha-protos and voltha-lib-go v3.0.0

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/db/model/child_type_test.go b/db/model/child_type_test.go
index 3836858..5a64264 100644
--- a/db/model/child_type_test.go
+++ b/db/model/child_type_test.go
@@ -16,7 +16,7 @@
 package model
 
 import (
-	"github.com/opencord/voltha-protos/v2/go/voltha"
+	"github.com/opencord/voltha-protos/v3/go/voltha"
 	"reflect"
 	"testing"
 )