public void ShouldSuggestNullifAmountis20(decimal amount)
{
var result = PaymentServiceHelper.GetPaymentGateway(amount);
result.Should().BeNull();
}
public void ShouldSuggestPremiumPaymentGateway(decimal amount)
{
var result = (PaymentServiceHelper.GetPaymentGateway(amount)) is PremiumPaymentGateway;
result.Should().BeTrue();
}
