public void ReturnFizzIfNumberIsDivisibleByThree()
        {
            var mockedCalculator = new Mock<ICalculator>();
            var wordGetter = new WordGetter(mockedCalculator.Object);

            mockedCalculator.Setup(mc => mc.IsDivisibleByThree(It.IsAny<int>())).Returns(true);
            var result = wordGetter.GetFizzIfRequired(7);

            Assert.AreEqual(result, "Fizz");
        }