itk_python_expression_add_test(NAME itkDemonsImageToImageMetricv4PythonTest
  EXPRESSION "instance = itk.DemonsImageToImageMetricv4.New()")
itk_python_expression_add_test(NAME itkCorrelationImageToImageMetricv4PythonTest
  EXPRESSION "instance = itk.CorrelationImageToImageMetricv4.New()")
itk_python_expression_add_test(NAME itkJointHistogramMutualInformationImageToImageMetricv4PythonTest
  EXPRESSION "instance = itk.JointHistogramMutualInformationImageToImageMetricv4.New()")