def METHOD_NAME(self):
    alien = Alien(0, 1)
    alive_error = "Alien is dead while health is greater than 0."
    dead_error = "Alien is alive while health is less than or equal to 0."
    for _ in range(5):
        alien.hit()
        if alien.health > 0:
            self.assertTrue(alien.is_alive(), msg=alive_error)
        else:
            self.assertFalse(alien.is_alive(), msg=dead_error)