Green - ReturnBuzzIfInputIsDivisibleByFive
Refactor - Added new test class for GetFizzIfRequiredShould

Minor refactorings like removing unused using statements.
Red - ReturnFizzIfInputContainsThree
        public void ReturnBuzzIfInputContainsFive()
        {
            var input = 53;

            var actualValue = _wordGetter.GetBuzzIfRequired(input);

            Assert.AreEqual(expectedValue, actualValue);