public Processor(INumberToRoman numberToRoman, IInputValidator inputValidator)
 {
     _numberToRoman  = numberToRoman;
     _inputValidator = inputValidator;
 }
 public void SetUp()
 {
     _numberToRoman  = new NumberToRoman();
     _inputValidator = new InputValidator();
     _processor      = new Processor(_numberToRoman, _inputValidator);
 }