[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/pkg/db/backend_test.go b/pkg/db/backend_test.go
index 90f38ab..9cbef54 100644
--- a/pkg/db/backend_test.go
+++ b/pkg/db/backend_test.go
@@ -23,7 +23,7 @@
 	"testing"
 	"time"
 
-	mocks "github.com/opencord/voltha-lib-go/v6/pkg/mocks/etcd"
+	mocks "github.com/opencord/voltha-lib-go/v7/pkg/mocks/etcd"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"