Test ReturnStringOneWhenIntegerOne
Test ReturnStringTwoWhenIntegerTwo
Test ReturnStringFourWhenIntegerFour
Test ReturnFizzWhenThree
Test ReturnFizzWhenDivisibleByThree
Test ReturnBuzzWhenFive
Test ReturnBuzzWhenDivisibleByFive
Test ReturnFizzBuzzWhenDivisibleByThreeAndFive
Refactor PrimeraFase Acabada
Test ReturnFizzWhenContainsThree
Test ReturnBuzzWhenContainsFive
Test ReturnFizzBuzzWhenContainsFiveAndThree
refactor fin fase 2