def METHOD_NAME(self):
    # Check the mean is what we expected
    model = pints.toy.stochastic.LogisticModel(1)
    v_mean = model.mean([1, 10], [5, 10])
    self.assertEqual(v_mean[0], 10 / (1 + 9 * np.exp(-5)))
    self.assertEqual(v_mean[1], 10 / (1 + 9 * np.exp(-10)))