public async Task GivenAnIntegerWhenFizBuzThenProduceString(int input, string expected)
{
var calculator = new RateCalculator();
var output = await calculator.FizBuz(input);
output.Should().Be(expected);
}
public async Task GivenThreeWhenFizBuzThenFiz()
{
//AAA
//Arrange
var calculator = new RateCalculator();
const int input = 3;
//Act
var output = await calculator.FizBuz(input);
//Assert
output.Should().Be("Fiz");
}