code: def test_initialization(self):
      parameters = {"param1": "value1", "param2": "value2"}
      environment_variables = {
          "env_var1": "value1",
          "env_var2": "value2",
      }
      initialization_script = (
          "tests/data/workflow/notebook_job_step/my-init.sh"
      )
      s3_kms_key = "arn:aws:kms:us-east-1:123456789012:key/abc123"
      instance_type = "ml.m5.large"
      volume_size = 50
      volume_kms_key = "arn:aws:kms:us-east-1:123456789012:key/xyz456"
      encrypt_inter_container_traffic = True
      security_group_ids = ["sg-12345678", "sg-87654321"]
      subnets = ["subnet-12345678", "subnet-87654321"]
      max_retry_attempts = 2
      max_runtime_in_seconds = 3600
      tags = {"TagKey": "TagValue", "TagKey2": "TagValue2"}
      additional_dependencies = [
          ".",
          "tests/data/workflow/notebook_job_step/subfolder",
      ]
      retry_policies = []
      depends_on = []
  
      # Create a NotebookJobStep instance
      notebook_step = NotebookJobStep(
          name=STEP_NAME,
          display_name=DISPLAY_NAME,
          description=DESCRIPTION,
          notebook_job_name=NOTEBOOK_JOB_NAME,
          input_notebook=INPUT_NOTEBOOK,
          image_uri=IMAGE_URI,
          kernel_name=KERNEL_NAME,
          role=ROLE,
          s3_root_uri=S3_ROOT_URI,
          parameters=parameters,
          environment_variables=environment_variables,
          initialization_script=initialization_script,
          s3_kms_key=s3_kms_key,
          instance_type=instance_type,
          volume_size=volume_size,
          volume_kms_key=volume_kms_key,
          encrypt_inter_container_traffic=encrypt_inter_container_traffic,
          security_group_ids=security_group_ids,
          subnets=subnets,
          max_retry_attempts=max_retry_attempts,
          max_runtime_in_seconds=max_runtime_in_seconds,
          tags=tags,
          additional_dependencies=additional_dependencies,
          retry_policies=retry_policies,
          depends_on=depends_on,
      )
  
      # Assert that the attributes are set correctly
      self.assertEqual(notebook_step.name, STEP_NAME)
      self.assertEqual(notebook_step.display_name, DISPLAY_NAME)
      self.assertEqual(notebook_step.description, DESCRIPTION)
      self.assertEqual(
          notebook_step.notebook_job_name, NOTEBOOK_JOB_NAME
      )
      self.assertEqual(notebook_step.input_notebook, INPUT_NOTEBOOK)
      self.assertEqual(notebook_step.image_uri, IMAGE_URI)
      self.assertEqual(notebook_step.kernel_name, KERNEL_NAME)
      self.assertEqual(notebook_step.role, ROLE)
      self.assertEqual(notebook_step.s3_root_uri, S3_ROOT_URI)
      self.assertEqual(notebook_step.parameters, parameters)
      self.assertEqual(
          notebook_step.environment_variables, environment_variables
      )
      self.assertEqual(
          notebook_step.initialization_script, initialization_script
      )
      self.assertEqual(notebook_step.s3_kms_key, s3_kms_key)
      self.assertEqual(notebook_step.instance_type, instance_type)
      self.assertEqual(notebook_step.volume_size, volume_size)
      self.assertEqual(notebook_step.volume_kms_key, volume_kms_key)
      self.assertEqual(
          notebook_step.encrypt_inter_container_traffic,
          encrypt_inter_container_traffic,
      )
      self.assertEqual(
          notebook_step.security_group_ids, security_group_ids
      )
      self.assertEqual(notebook_step.subnets, subnets)
      self.assertEqual(
          notebook_step.max_retry_attempts, max_retry_attempts
      )
      self.assertEqual(
          notebook_step.max_runtime_in_seconds, max_runtime_in_seconds
      )
      self.assertEqual(notebook_step.tags, tags)
      self.assertEqual(
          notebook_step.additional_dependencies, additional_dependencies
      )
      self.assertEqual(notebook_step.retry_policies, retry_policies)
      self.assertEqual(notebook_step.depends_on, depends_on)
  
imports: from __future__ import absolute_import
  import unittest
  from mock import Mock, patch
  from sagemaker.workflow.notebook_job_step import NotebookJobStep
  from sagemaker.workflow.functions import Join
label_desc: Use image node_id 2 for calling the TestNotebookJobStep obj's underlying member method code with example usage: obj.test_initialization() without return types