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

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/ro_core/config/config_test.go b/ro_core/config/config_test.go
index 2ebcfbb..fb03cbb 100644
--- a/ro_core/config/config_test.go
+++ b/ro_core/config/config_test.go
@@ -16,7 +16,7 @@
 package config
 
 import (
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"