code: def test_kaiserord():
      assert_raises(ValueError, kaiserord, 1.0, 1.0)
      numtaps, beta = kaiserord(2.285 + 7.95 - 0.001, 1 / np.pi)
      assert_equal((numtaps, beta), (2, 0.0))
  
imports: import numpy
  from numpy.testing import assert_almost_equal, assert_array_almost_equal, assert_equal, assert_, assert_allclose, assert_warns
  from pytest import raises
  import pytest
  from scipy.fft import fft
  from scipy.special import sinc
  from scipy.signal import kaiser_beta, kaiser_atten, kaiserord, firwin, firwin2, freqz, remez, firls, minimum_phase
label_desc: Use image node_id 3 for calling a global function with example usage: test_kaiserord() without return types