code: def test_existing_package(self, getDistributionMock):
      requirement = "package"
      distribution_mock = unittest.mock.Mock()
      getDistributionMock.return_value = distribution_mock
      distribution_mock.version = "1.0.0"
  
      verify_packages(requirement)
  
      getDistributionMock.assert_called_once_with("package")
  
file_path: auto-sklearn/test/test_util/test_dependencies.py
imports: import re
  import numpy
  import pkg_resources
  from autosklearn.util.dependencies import IncorrectPackageVersionError, MissingPackageError, verify_packages
  import unittest
  from unittest.mock import Mock, patch
label_desc: Use image node_id 1 for calling the VerifyPackagesTests obj's underlying member method code with example usage: obj.test_existing_package(getDistributionMock) without return types