text: from panoptes_aggregation.reducers.slider_reducer import process_data, slider_reducer
  from .base_test_class import ReducerTest
  
  extracted_data = [
      {'slider_value': 1},
      {'slider_value': 2},
      {'slider_value': 3},
      {'slider_value': 4}
  ]
  
  processed_data = [
      1,
      2,
      3,
      4
  ]
  
  reduced_data = {
      'slider_mean': 2.5,
      'slider_median': 2.5,
      'slider_var': 1.25
  }
  
  TestSliderReducer = ReducerTest(
      slider_reducer,
      process_data,
      extracted_data,
      processed_data,
      reduced_data,
      'Test slider reducer',
      processed_type='list',
      test_name='TestSliderReducer'
  )
  