code: def test_get_unique_list_in_order():
      assert py_datastructures.get_unique_list_in_order(
          [[1, 2], [3], [4]]
      ) == [1, 2, 3, 4]
      assert py_datastructures.get_unique_list_in_order(
          [[1, 2, 3], [3], [4]]
      ) == [1, 2, 3, 4]
      assert py_datastructures.get_unique_list_in_order(
          [[1, 2, 3], [4], [3]]
      ) == [1, 2, 3, 4]
  
file_path: jiant/tests/utils/python/test_datastructures.py
imports: import json
  import pytest
  from dataclasses import dataclass
  import jiant.utils.python.datastructures
label_desc: Use image node_id 9 for calling a global function with example usage: test_get_unique_list_in_order() without return types