GREEN: UnknownAmountOfNumbersCommaSeparated() pass
BLUE: SumNumbersInString refactor
RED: UnkownAmountOfNumbersDoubleCommaSeparated fail
GREEN: UnkownAmountOfNumbersDoubleCommaSeparated pass
RED: CommaAndNewlineDelimiters() fails
GREEN: CommaAndNewlineDelimiters() pass
RED: DifferentDelimiter() fail
GREEN: DifferentDelimiter() pass
RED: AddNegatives_returnException() fails
GREEN: AddNegatives_returnException() pass