public void Should_Return_String_With_Expected_Sum_Of_Numbers_In_Provided_Input(string input, int expectedSum)
{
var result = SUT.Execute(input);
var returnString = $"Sum of all numbers in input: {expectedSum}";
Assert.AreEqual(returnString, result);
}
public void SumPluginShouldReturnNumberOfLettersInInput(string input, string expected)
{
var output = sut.Execute(input);
Assert.Equal(expected, output);
}