   extractor = new Extractor data.options, tester
   extractor.extract()
 
-test 'extract and convert to png', (assert) ->
+test 'KDU: extract and convert to png', (assert) ->
   data = fixtures()
   data.options.params['format'] = 'png'
   tester = (output_image) ->

  extractor = new Extractor data.options, tester
  extractor.extract()

test 'extract image with small region and full size', (assert) ->
  data = fixtures()
  data.options.params['region'] = data.region_xywh
  data.options.params['size'] = 'full'

  extractor = new Extractor data.options, tester
  extractor.extract()

test 'KDU: extract image with small region and ,h size', (assert) ->
  data = fixtures()
  data.options.params['region'] = data.region_xywh
  data.options.params['size'] = {w: undefined, h: 200}
