@Test
 public void test_calculate_validInput_validGammaResult() {
   OptionPriceResult result =
       this.pricingController.calculate(
           this.strike,
           this.volatility,
           this.underlyingPrice,
           this.daysToExpiry,
           this.interestRate,
           true,
           true,
           this.dayCountConvention);
   assertEquals(
       "Gamma does not match expectations!",
       0.0221041650951190084273267899561687954701483249664306640625,
       result.getGamma(),
       0.0001);
 }