code: def test_keyword_args(self):
      assert next_fast_len(11, real=True) == 12
      assert next_fast_len(target=7, real=False) == 7
  
imports: from scipy.fft._helper import next_fast_len, _init_nd_shape_and_axes
  from numpy.testing import assert_equal, assert_array_equal
  from pytest import raises
  import pytest
  import numpy
  import sys
label_desc: Use image node_id 5 for calling the TestNextFastLen obj's underlying member method code with example usage: obj.test_keyword_args() without return types