public void FindRootFolder([Values(true, false)]bool withValidation) {
string id = "id";
string path = Path.GetTempPath();
var fsInfo = new DirectoryInfoWrapper(new DirectoryInfo(path));
var matcher = new PathMatcher(path, "/");
var storage = new MetaDataStorage(this.engine, matcher, withValidation);
var rootFolder = new MappedObject("/", id, MappedObjectType.Folder, null, "token");
storage.SaveMappedObject(rootFolder);
Assert.That(storage.GetObjectByRemoteId(id), Is.Not.Null, "Not findable by ID");
Assert.That(storage.GetObjectByLocalPath(fsInfo), Is.Not.Null, "Not findable by path");
}