code: def create_test_arrays(self, input_shape, output_shape, axes=None):
      a = self.input_dtype(
          numpy.random.randn(*input_shape)
          + 1j * numpy.random.randn(*input_shape)
      )
  
      b = self.output_dtype(
          numpy.random.randn(*output_shape)
          + 1j * numpy.random.randn(*output_shape)
      )
  
      return a, b
  
file_path: py-fftw/tests/test_pyfftw_base.py
imports: from pyfftw import FFTW, _supported_types, _all_types_human_readable
  import numpy
  import struct
  from timeit import Timer
  import unittest
label_desc: Use image node_id 8 for calling the FFTWBaseTest obj's underlying member method code with example usage: obj.create_test_arrays(input_shape, output_shape, axes) and returns: a,  b