'Check data on the output after apply'

def test_output_data(self):

    self.send_signal(self.widget.Inputs.data, self.iris)
    output = self.get_output(self.widget.Outputs.data)
    np.testing.assert_array_equal(output.X, self.iris.X)
    np.testing.assert_array_equal(output.Y, self.iris.Y)
    self.assertEqual(output.domain, self.iris.domain)
