public void EqualsRequiredCalcModelTestTwo(int firstOperandAct, int secondOperandAct, char operationAct, int resultExp)
{
var act = new CalcService();
RequiredCalcModel requiredCalcModel = new RequiredCalcModel(firstOperandAct, secondOperandAct, operationAct);
var res = act.Operations(requiredCalcModel);
Assert.NotEqual(resultExp, res);
}