public void AddAttribute()
        {
            treeView.SelectedNode = bodyTreeNode;
            treeViewContainer.AddAttributeDialogAttributeNamesReturned.Add("class");
            AddAttributeCommand command = new AddAttributeCommand();

            command.Owner = treeViewContainer;
            command.Run();

            Assert.IsTrue(bodyElement.HasAttribute("class"));
        }
        public void AddAttributeWithNullOwner()
        {
            AddAttributeCommand command = new AddAttributeCommand();

            command.Run();
        }