def test_load_sim():
sim = BioSim()
sim.clean_simulation(10)
sim.save_sim(save_load_name)
sim = BioSim(island_save_name=save_load_name)
assert sim.year == 10
def test_save_sim():
sim = BioSim()
sim.clean_simulation(10)
sim.save_sim(save_load_name)
assert os.path.isfile(save_load_name + '.pkl')