public void Should_Return_Celcius_MultipleValues(string inputValue, double outputValue)
        {
            //Act
            var result = temperatureConverter.ConvertKelvinToCelsius(inputValue);

            //Assert
            Assert.Equal(outputValue, result);
        }
        public void Should_Return_Celsius()
        {
            //Arrange
            TemperatureConverter temperatureConverter = new TemperatureConverter();
            //Act
            var result = temperatureConverter.ConvertKelvinToCelsius("10");

            //Assert
            Assert.Equal(-263.15, result);
        }