public void WhenMultipleFilesAreSelected_ContextMenuShouldNotShow()
        {
            AddAsCardContextMenu menu = new AddAsCardContextMenu();
            var items = new[] { "blah.txt", "eh.txt" };

            menu.CanShowMenu(items, "")
                .Should().BeFalse();
        }
        public void WhenASingleFileIsSelected_ContextMenuShouldShow()
        {
            AddAsCardContextMenu menu = new AddAsCardContextMenu();
            var items = new[] { "blah.txt" };

            menu.CanShowMenu(items, "")
                .Should().BeTrue();
        }