add test

    model = dc.models.TensorGraphMultiTaskClassifier(len(tasks), n_features)

    # Test Parameter getting and setting

    param, value = 'weight_decay_penalty_type', 'l2'

    assert model.get_params()[param] is None

    model.set_params(**{param: value})

    assert model.get_params()[param] == value

    # Fit trained model

    model.fit(train_dataset)

    model.save()