def METHOD_NAME(self, subclassed):
    x = [
        np.array([[1.0], [2.0], [3.0]]),
        np.array([[4.0], [5.0], [6.0]]),
        np.array([[7.0], [8.0], [9.0]]),
    ]
    y = np.array([[13.0], [17.0], [21.0]])
    model = self._get_multiple_input_model(subclassed)
    loss = model.evaluate(x, y, batch_size=3)
    self.assertAlmostEqual(loss, 2.0)