def METHOD_NAME():
    model_file = os.path.join(this_folder,
                              'projects', 'flow_dsl', 'tests',
                              'models', 'data_flow_including_error.eflow')
    runner = CliRunner()
    result = runner.invoke(textx, ['check', model_file])
    assert result.exit_code != 0
    assert 'Error:' in result.output
    assert 'types must be lowercase' in result.output