'Check default merging attributes setup'

def test_best_match(self):

    indices = list(range(101))
    indices.pop(26)
    zoo = Table('zoo')[indices]
    zoo_images = Table('zoo-with-images')
    self.send_signal(self.widget.Inputs.data, zoo)
    self.send_signal(self.widget.Inputs.extra_data, zoo_images)
    self.assertEqual(self.widget.attr_augment_data, zoo.domain[(-1)])
    self.assertEqual(self.widget.attr_augment_extra, zoo_images.domain[(-1)])
    self.assertEqual(self.widget.attr_merge_data, zoo.domain[(-1)])
    self.assertEqual(self.widget.attr_merge_extra, zoo_images.domain[(-1)])
    self.assertEqual(self.widget.attr_combine_data, zoo.domain[(-1)])
    self.assertEqual(self.widget.attr_combine_extra, zoo_images.domain[(-1)])
