public void ConvertFileAsEntryToFileRetainsIdentity()
        {
            RootedFileSystemEntry redEntry = this.root.AsRoot.Children.First();
            var redFile = redEntry.ToFileSystemFile();

            Assert.True(redFile.Root.Children.Contains(redFile.AsFileSystemEntry));
            Assert.Same(redEntry.FileSystemEntry, redFile.FileSystemFile);
        }