text: import pytest
  from tests.helper import random_string
  
  
  @pytest.mark.parametrize(("length", "expected"),
                           [
                               (2, "dr"),
                               (8, "drfXArgc")
                           ])
  def test_random_string_return_result_correctly(length, expected):
      result = random_string(length, seed=123)
      assert result == expected
  