code: def test_array_to_list(self):
      input_array = np.array([[0, 4], [1, 5], [2, 6]])
      expected_list = [[0, 4], [1, 5], [2, 6]]
      input_as_list = convert_to_list(input_array)
  
      assert input_as_list is not None
      assert input_as_list == expected_list
  
imports: import datetime
  import json
  import numpy
  import pandas
  import pytest
  from scipy.sparse import csr_matrix
  from raiutils.data_processing import convert_to_list, convert_to_string_list_dict, serialize_json_safe
label_desc: Use image node_id 2 for calling the TestConvertToList obj's underlying member method code with example usage: obj.test_array_to_list() without return types