public void IsOpenReturnsTrueWhenActorIsInSet()
{
var actor = MockRepository.GenerateStub<IFlipperActor>();
actor.Stub(x => x.FlipperId).Return("5");
var gate = new ActorGate();
Assert.That(gate.IsOpen(actor, new HashSet<string>(new[] {"5"}), "feature"), Is.True);
}