code: def test_array_to_list(self):
      a = self.a
      assert_equal(a.tolist(), [[1, 2], [3, 4]])
  
imports: import collections.abc
  import numpy
  from numpy import matrix, asmatrix, bmat
  from numpy.testing import assert_, assert_equal, assert_almost_equal, assert_array_equal, assert_array_almost_equal, assert_raises
  from numpy.linalg import matrix_power
  from numpy.matrixlib import mat
label_desc: Use image node_id 3 for calling the TestNewScalarIndexing obj's underlying member method code with example usage: obj.test_array_to_list() without return types