public void GetsDeltasAfterTick(int simulationAge, int tick)
{
_simulationView.Simulation = new Simulation {
Ticks = simulationAge
};
_deltaApplier.GetForTick(new ObjectId(), tick);
_deltaRepository
.Verify(x => x.GetForSimulation(It.IsAny <ObjectId>(), tick, simulationAge), Times.Once);
}
public SimulationView GetAtTick(ObjectId simulationId, int tick) => _deltaApplier.GetForTick(simulationId, tick);