def METHOD_NAME(self):
    """
    Test for featurization of "C" using `MXMNetFeaturizer` class.
    It checks whether node_pos_features are handled properly.
    """
    smile = ['C']
    pos_x1 = [np.array([-0.0127, 0.0022, 1.0117, -0.5408, -0.5238])]
    pos_y1 = [np.array([1.0858, -0.0060, 1.4638, 1.4475, 1.4379])]
    pos_z1 = [np.array([0.0080, 0.0020, 0.0003, -0.8766, 0.9064])]
    featurizer = dc.feat.molecule_featurizers.mxmnet_featurizer.MXMNetFeaturizer(
        is_adding_hs=True)
    graph_feat = featurizer.featurize(smile,
                                      pos_x=pos_x1,
                                      pos_y=pos_y1,
                                      pos_z=pos_z1)
    assert isinstance(graph_feat[0].node_pos_features, np.ndarray)
    assert np.allclose(graph_feat[0].node_pos_features, node_pos, atol=1e-3)