[VOL-936] Missing mocks and comments.
Lowering log level for chatty messages

Change-Id: I4012f3e6d8f8c1d11d20dccb81fa182c02265d77
diff --git a/pkg/mocks/mockOpenOltClient.go b/pkg/mocks/mockOpenOltClient.go
index 652f959..13f93ad 100644
--- a/pkg/mocks/mockOpenOltClient.go
+++ b/pkg/mocks/mockOpenOltClient.go
@@ -223,6 +223,11 @@
 	return nil
 }
 
+// GetExtValue mocks the GetExtValue function of Openoltclient.
+func (ooc *MockOpenoltClient) GetExtValue(ctx context.Context, in *openolt.ValueParam, opts ...grpc.CallOption) (*openolt.ReturnValues, error) {
+	return &openolt.ReturnValues{}, nil
+}
+
 // PerformGroupOperation mocks the PerformGroupOperation function of Openoltclient.
 func (ooc *MockOpenoltClient) PerformGroupOperation(ctx context.Context, in *openolt.Group, opts ...grpc.CallOption) (*openolt.Empty, error) {
 	return &openolt.Empty{}, nil