public void AddPathTest()
{
var pathItem = new PathItem();
pathItem.AddPath("root");
pathItem.AddPath("dir");
pathItem.AddPath("subdir");
var expectPathItem = PathSplitter.SplitPath(ExpectedPath);
var expected = "/root/dir/subdir";
var act = pathItem.ToString();
Assert.AreEqual(expected, act);
Assert.AreEqual(expectPathItem, pathItem);
}