public void StepWithLastChoiceTest()
{
var contestant1 = new Contestant("TitForTat", new TitForTat());
var result = contestant1.Step(StrategyChoice.Defect);
Assert.AreEqual(result, StrategyChoice.Defect);
}
public void StepNoLastChoiceTest()
{
var contestant1 = new Contestant("TitForTat", new TitForTat());
var result = contestant1.Step(null);
Assert.AreEqual(result,StrategyChoice.Cooperate);
}