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

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/rw_core/mocks/adapter_olt_test.go b/rw_core/mocks/adapter_olt_test.go
index aa91ab5..036d612 100644
--- a/rw_core/mocks/adapter_olt_test.go
+++ b/rw_core/mocks/adapter_olt_test.go
@@ -19,7 +19,7 @@
 import (
 	"testing"
 
-	"github.com/opencord/voltha-lib-go/v2/pkg/adapters"
+	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
 )
 
 func TestOLTAdapterImplementsIAdapter(t *testing.T) {