public void ConvertToRomanTest(int input, string expected)
{
//act
ConverterToRoman converter = new ConverterToRoman();
string actual = converter.ConvertToRoman(input);
//assert
Assert.AreEqual(expected, actual);
}
public void ConvertToRoman_1257_MCCLVIIreturned()
{
//arrange
int input = 1257;
string expected = "MCCLVII";
//act
ConverterToRoman converter = new ConverterToRoman();
string actual = converter.ConvertToRoman(input);
//assert
Assert.AreEqual(expected, actual);
}