def METHOD_NAME(self):
    with self.assertRaisesRegex(
        ValueError,
        "negative_slope of a ReLU layer cannot be a negative "
        "value. Received: None",
    ):
        test_utils.layer_test(
            keras.layers.ReLU,
            kwargs={"negative_slope": None},
            input_shape=(2, 3, 4),
            supports_masking=True,
        )
    with self.assertRaisesRegex(
        ValueError,
        "negative_slope of a ReLU layer cannot be a negative "
        "value. Received: -10",
    ):
        test_utils.layer_test(
            keras.layers.ReLU,
            kwargs={"negative_slope": -10},
            input_shape=(2, 3, 4),
            supports_masking=True,
        )