Tests the correct implementation of function AixLib.Utilities.Math.Functions.trapezoidalIntegration.
Integrands y1[7]={72, 70, 64, 54, 40, 22, 0} are the function values of y = -2*x^2-72 for x = {0,1,2,3,4,5,6}. The trapezoidal integration over the 7 integrand points should give a result of 286.