code: def get_labels(self):
      return self.labels
  
imports: import sys
  from typing import List, Optional
  import pytest
  from ray_release.test import Test, TestResult, TestState
  from ray_release.result import Result, ResultStatus
  from ray_release.test_automation.release_state_machine import ReleaseTestStateMachine
  from ray_release.test_automation.ci_state_machine import CITestStateMachine, CONTINUOUS_FAILURE_TO_FLAKY, CONTINUOUS_PASSING_TO_PASSING, FAILING_TO_FLAKY_MESSAGE, JAILED_TAG, JAILED_MESSAGE
  from ray_release.test_automation.state_machine import TestStateMachine
label_desc: Use image node_id 4 for calling the MockIssue obj's underlying member method code with example usage: obj.get_labels() and returns: self