@staticmethod
    @raises(ETLInputError)
    def test_yaml_extension():
        read_pipeline_definition("name.txt")
if there is no order_by in query, default to click_count.
dataset/ETHPy150Open coursera/dataduct/dataduct/etl/tests/test_etl_actions.py/EtlActionsTests.test_yaml_extension--crossover with--dataset/ETHPy150Open ofa/connect/open_connect/media/tests/test_views.py/URLPopularityViewTest.test_order_by_defaults_to_click_count