public void when_string_is_shorter_than_min_validation_fails()
        {
            //given
            var sut = new StringWithMinLength
            {
                String = GenerateString.WithLength(MinLength - 1)
            };

            //then
            Validate(sut).Should().Throw <ValidationException>();
        }
        public void when_string_is_longer_than_min_validation_passes()
        {
            //given
            var sut = new StringWithMinLength
            {
                String = GenerateString.WithLength(MinLength + 1)
            };

            //then
            Validate(sut).Should().NotThrow <ValidationException>();
        }