code: def test_init(self, issue_manager, issue_manager_with_threshold):
      assert isinstance(issue_manager.ood, OutOfDistribution)
      assert issue_manager.ood.params["k"] == 3
      assert issue_manager.threshold == None
  
      assert issue_manager_with_threshold.ood.params["k"] == 2
      assert issue_manager_with_threshold.threshold == 0.5
  
file_path: cleanlab/tests/datalab/issue_manager/test_outlier.py
imports: import numpy
  import pandas
  import pytest
  from cleanlab.datalab.internal.issue_manager.outlier import OutlierIssueManager
  from cleanlab.outlier import OutOfDistribution
label_desc: Use image node_id 4 for calling the TestOutlierIssueManager obj's underlying member method code with example usage: obj.test_init(issue_manager, issue_manager_with_threshold) without return types