code: def testConstructWithoutElwcConfig(self):
      self.assertRaises(
          RuntimeError,
          component.BigQueryToElwcExampleGen,
          query="query",
      )
  
file_path: tfx/tfx/extensions/google_cloud_big_query/experimental/elwc_example_gen/component/component_test.py
imports: import tensorflow
  from tfx.extensions.google_cloud_big_query.experimental.elwc_example_gen.component import component
  from tfx.extensions.google_cloud_big_query.experimental.elwc_example_gen.proto import elwc_config_pb2
  from tfx.proto import example_gen_pb2
  from tfx.types import standard_artifacts
label_desc: Use image node_id 2 for calling the ComponentTest obj's underlying member method code with example usage: obj.testConstructWithoutElwcConfig() without return types