public void TestRevert()
{
decisions.Decide(1, 1, defaultRule);
decisions.Decide(-2, 2, defaultRule);
decisions.Decide(3, 2, defaultRule);
decisions.Revert();
Assert.AreEqual(0, decisions.Count);
Assert.IsFalse(decisions.IsDecided(1));
Assert.IsFalse(decisions.IsDecided(2));
Assert.IsFalse(decisions.IsDecided(3));
}