old_contents: def configuration(parent_package='', top_path=None):
      from numpy.distutils.misc_util import Configuration
  
      config = Configuration('cesium', parent_package, top_path)
      config.add_subpackage('science_features')
      config.add_data_files('cesium.yaml.example')
      config.add_data_dir('data')
      return config
  
  
  if __name__ == "__main__":
      from numpy.distutils.core import setup
  
      config = configuration(top_path='').todict()
      setup(**config)
  
new_contents: def configuration(parent_package='', top_path=None):
      from numpy.distutils.misc_util import Configuration
  
      config = Configuration('cesium', parent_package, top_path)
      config.add_subpackage('science_features')
      config.add_data_files('cesium.yaml.example')
      config.add_data_dir('tests')
      return config
  
  
  if __name__ == "__main__":
      from numpy.distutils.core import setup
  
      config = configuration(top_path='').todict()
      setup(**config)
  
subject: Add test data to cesium package