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

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/rw_core/utils/core_utils_test.go b/rw_core/utils/core_utils_test.go
index cc48b10..d7797e5 100644
--- a/rw_core/utils/core_utils_test.go
+++ b/rw_core/utils/core_utils_test.go
@@ -20,7 +20,7 @@
 	"testing"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"