def test_grow(self):
lowland = Lowland()
lowland.available_fodder = 3
assert lowland.get_fodder() == 3
lowland.fodder_regrow()
assert lowland.get_fodder() == 800
def test_init(self):
lowland = Lowland()
assert type(lowland.present_herbivores) is list
assert type(lowland.present_carnivores) is list
assert lowland.get_fodder() == 800