def test_small():
spacecraft = Spacecraft(100)
spacecraft.set_bridge()
assert spacecraft.get_remaining_cargo() == 90
assert spacecraft.get_total_cost() == 2.5
def test_large():
spacecraft = Spacecraft(1200)
spacecraft.set_bridge()
assert spacecraft.get_remaining_cargo() == 1170
assert spacecraft.get_total_cost() == 126.0
def test_bigly():
spacecraft = Spacecraft(2000)
spacecraft.set_bridge()
assert spacecraft.get_remaining_cargo() == 1960
assert spacecraft.get_total_cost() == 210.0
def test_medium():
spacecraft = Spacecraft(400)
spacecraft.set_bridge()
assert spacecraft.get_remaining_cargo() == 380
assert spacecraft.get_total_cost() == 18.0