def METHOD_NAME(sample_tileset, test_dict_list):
    """
    A test function to recursively retrieve and append
    nested dictionary['children'][0] to a list for the tests of appenddict_rec()
    Argument:
    sample_tileset - initial dictionary to start parsing,
            ideally one depth above starting children node
    test_dict_list - the list to append nested dictionary to
    """
    # If there are still children nodes, continue the recursion
    if "children" in sample_tileset:
        nested_dict = sample_tileset["children"][0]
        test_dict_list.append(nested_dict)
        METHOD_NAME(nested_dict, test_dict_list)
    else:
        return