def METHOD_NAME(self):
    new_a05 = alpha_shape(self.vertices, 0.05).to_numpy().item()
    new_a10 = alpha_shape(self.vertices, 0.10).to_numpy().item()
    new_a2 = alpha_shape(self.vertices, 0.2).to_numpy().item()
    new_a25 = alpha_shape(self.vertices, 0.25).to_numpy().item()
    assert new_a05.equals(self.a05)
    assert new_a10.equals(self.a10)
    assert new_a2.equals(self.a2)
    assert new_a25.equals(self.a25)