public void IsValidCountryName()
        {
            ICountryValidator validator = new CountryValidator();
            string            name      = "US";
            bool result = validator.IsCountryValid(name);

            Assert.True(result);
        }
        public void IsValidCountryNameInvalidInput()
        {
            ICountryValidator validator = new CountryValidator();
            string            name      = "USD";
            bool result = validator.IsCountryValid(name);

            Assert.False(result);
        }