public void NegativeNumberError()
        {
            var validator = new PositivePrimeNumberValidator();
            var result    = validator.Validate(Constants.NegativeNumber);

            Assert.True(!result.IsValid);
        }
        public void PositiveNumberSuccessful()
        {
            var validator = new PositivePrimeNumberValidator();
            var result    = validator.Validate(Constants.PositiveNumber);

            Assert.True(result.IsValid);
        }