public void Test_ProcessPayment()
{
var request = new RequestDto
{
CreditCardNumber = "4242424242424242",
CardHolder = "name",
ExpirationDate = new DateTime(2023, 1, 1),
SecurityCode = "",
Amount = 1000
};
var result = _controller.ProcessPayment(request);
Assert.IsType <Task <dynamic> >(result);
}