//pretty print
public void Print(PrettyPrinter printer)
{
printer.Println("TestResult (");
using (printer.IndentCookie()) {
printer.Print("testId = "); TestId.PrintEx(printer); printer.Println();
printer.Print("output = "); Output.PrintEx(printer); printer.Println();
printer.Print("duration = "); Duration.PrintEx(printer); printer.Println();
printer.Print("status = "); Status.PrintEx(printer); printer.Println();
}
printer.Print(")");
}
