public void GetFizzBuzzResults_ShouldReturnExpectedSequence() { // Arrange IFizzBuzzService fizzBuzzService = new FizzBuzzService(); var expectedList = new List <string>() { "1", "2", "Fizz", "4", "Buzz" }; // Act var results = fizzBuzzService.GetFizzBuzzResults(expectedList.Count); // Assert Assert.Equal(expectedList, results); }