public PaymentService()
  {
     alphaService = new AlphaPaymentService();
     betaService = new BetaPaymentService();
     baseDirectory = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.Parent.Parent.FullName);
     absolutePath = Path.GetFullPath(baseDirectory + relativePath);
  }
 public void SetUp()
 {
     betaPaymentService = new BetaPaymentService();
     baseDirectory = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.Parent.Parent.FullName);
     absolutePath = betaPaymentService.GetFullPath(baseDirectory, relativePath);
 }