def METHOD_NAME(self):
    """Test the basic sleet calculation works."""
    expected_result = np.array(
        [
            [[0.5, 0.5, 0.0], [0.5, 0.5, 0.4], [0.9, 0.5, 0.4]],
            [[0.5, 0.5, 0.0], [0.5, 0.5, 0.4], [0.9, 0.5, 0.4]],
        ],
        dtype=np.float32,
    )
    result = calculate_sleet_probability(self.rain_prob_cube, self.snow_prob_cube)
    self.assertArrayAlmostEqual(result.data, expected_result)
    self.assertTrue(result.dtype == np.float32)