public void ParseRoll_BasicCriticalRoll()
{
var diceRoller = new DiceRoller(numberGenerator);
Assert.That(diceRoller.ParseForCritical("+20").Equals("_Critical Success!_ "));
Assert.That(diceRoller.ParseForCritical("+1").Equals("_Critical Fail!_ "));
Assert.That(diceRoller.ParseForCritical("+15").Equals(string.Empty));
}