def METHOD_NAME(dummy_classifier, mock_run):
    _ = mock_run(settings={"mode": "offline"})
    *_, y_test, _, y_probas = dummy_classifier
    custom_chart_no_title = roc_curve(y_test, y_probas)
    assert custom_chart_no_title.string_fields["title"] == "ROC"
    first_row = custom_chart_no_title.table.data[0]
    assert first_row == [0, 0.0, 0.0], first_row
    custom_chart_with_title = roc_curve(y_test, y_probas, title="New title")
    assert custom_chart_with_title.string_fields["title"] == "New title"