code: def test_no_parameters(self):
      img = iadata.quokka()
      assert img.shape == (643, 960, 3)
      assert np.allclose(
          np.average(img, axis=(0, 1)),
          [107.93576659, 118.18765066, 122.99378564],
          rtol=0,
          atol=0.1,
      )
  
imports: from __future__ import print_function, division, absolute_import
  import warnings
  import sys
  import numpy
  import imgaug
  import imgaug.data
  from imgaug.data import _quokka_normalize_extract, _compute_resized_shape
label_desc: Use image node_id 1 for calling the Test_quokka obj's underlying member method code with example usage: obj.test_no_parameters() without return types