public void SentenceToEnglish_WhenPassedEmptyStr_ShouldReturnEmptyStr()
        {
            // arrange
            string empty          = String.Empty;
            SentenceToCamelCase x = new SentenceToCamelCase();

            // act
            string actual = x.ConvertToEnglish(empty);

            // assert
            Assert.Equal(empty, actual);
        }
        public void SentenceToEnglish_WhenPassedCamelCaseStr_ShouldReturnNormalStr()
        {
            // arrange
            string original       = "ThisBiggerStrangeSentence";
            SentenceToCamelCase x = new SentenceToCamelCase();
            string expectedReturn = "This bigger strange sentence";

            // act
            string actual = x.ConvertToEnglish(original);

            // assert
            Assert.Equal(expectedReturn, actual);
        }