public void ShouldThrowExcpetionNullExcpetion_When_StringIsNullOrEmpty()
 {
     //Arrange
     string country = string.Empty;
     //Act
     bool retVal = ExampleClass.IsCapitalized(country);
     //Asert
 }
        public void ShouldRetrunFalse_When_FirstLetterIsNotCapitalic()
        {
            //Arrange
            string country = "poland";
            //Act
            bool retVal = ExampleClass.IsCapitalized(country);

            //Asert
            Assert.AreEqual(retVal, false);
        }