public void ClearBots_NoArguments_BotsCountZero()
{
var target = new WorldContext();
var bot1 = MockRepository.GenerateMock <IBot> ();
bot1.Expect(b => b.Name).Return("b1");
var ability1 = MockRepository.GenerateMock <IOneBotAbility>();
var bot2 = MockRepository.GenerateMock <IBot> ();
bot2.Expect(b => b.Name).Return("b2");
var ability2 = MockRepository.GenerateMock <ITwoBotAbility>();
target.AddBot(bot1, ability1);
target.AddBot(bot2, ability2);
Assert.AreEqual(2, target.BotsCount);
target.ClearBots();
Assert.AreEqual(0, target.BotsCount);
}