private void DepositAggregateOnGroundTest()
        {
            var spHandler  = new BallisticSingleParticleDepositionHandler();
            var aggHandler = new BallisticAggregateDepositionHandler(spHandler);
            var aggregate  = GetExampleAggregate();

            aggHandler.DepositOnGround(aggregate);
            Assert.Equal(1.0, aggregate.Cluster.SelectMany(c => c.PrimaryParticles).Select(p => p.Position.Z).Min());
        }