code: def test_inverse(self, xp):
      for n in [1, 4, 9, 100, 211]:
          x = xp.asarray(np.random.random((n,)))
          xp_assert_close(fft.ifftshift(fft.fftshift(x)), x)
  
imports: from scipy.fft._helper import next_fast_len, _init_nd_shape_and_axes
  from numpy.testing import assert_equal
  from pytest import raises
  import pytest
  import numpy
  import sys
  from scipy.conftest import array_api_compatible, skip_if_array_api_gpu, skip_if_array_api_backend
  from scipy._lib._array_api import xp_assert_close, SCIPY_DEVICE
  from scipy import fft
label_desc: Use image node_id 2 for calling the TestFFTShift obj's underlying member method code with example usage: obj.test_inverse(xp) without return types