// Checks that the NDF present value sensitivity is coherent with the standard FX forward present value.
        public virtual void test_presentValueCurveSensitivityVsForex()
        {
            PointSensitivities             pvcsNDF  = PRICER.presentValueSensitivity(NDF, PROVIDER).normalized();
            CurrencyParameterSensitivities sensiNDF = PROVIDER.parameterSensitivity(pvcsNDF);
            PointSensitivities             pvcsFX   = PRICER_FX.presentValueSensitivity(FOREX, PROVIDER).normalized();
            CurrencyParameterSensitivities sensiFX  = PROVIDER.parameterSensitivity(pvcsFX);

            assertTrue(sensiNDF.equalWithTolerance(sensiFX.convertedTo(USD, PROVIDER), NOMINAL_USD * TOL));
        }