'Check widget\'s output for all possible values of parameters'

def test_parameters(self):

    self.send_signal(self.widget.Inputs.data, self.zoo)
    self.assertListEqual([a.name for a in self.get_output(self.widget.Outputs.data).domain.attributes], [self.zoo.domain.metas[0].to_val(m) for m in self.zoo.metas[:, 0]])
    self.widget.feature_radio.buttons[0].click()
    self.widget.apply()
    self.assertTrue(all([('Feature' in x.name) for x in self.get_output(self.widget.Outputs.data).domain.attributes]))
