public static MetaTBManifest OpenForUpdate(string outputDir = "")
{
string fullPathFileName = Path.Combine(outputDir, TESTBENCH_FILENAME);
if (System.IO.File.Exists(fullPathFileName))
{
MetaTBManifest oldManifest = Deserialize(fullPathFileName);
return oldManifest;
}
return new MetaTBManifest();
}