code: def test_masks_passwords(self, command: str, expected: str) -> None:
      # Given
      hook = SparkSubmitHook()
  
      # When
      command_masked = hook._mask_cmd(command)
  
      # Then
      assert command_masked == expected
  
imports: from __future__ import annotations
  import os
  from io import StringIO
  from unittest.mock import call, patch
  import pytest
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.apache.spark.hooks.spark_submit import SparkSubmitHook
  from airflow.utils import db
label_desc: Use image node_id 36 for calling the TestSparkSubmitHook obj's underlying member method code with example usage: obj.test_masks_passwords(command, expected) without return types