code: def _test_args():
      """Extra arguments to use when zipline's automated tests run this example."""
      import pandas as pd
  
      return {
          "start": pd.Timestamp("2008", tz="utc"),
          "end": pd.Timestamp("2013", tz="utc"),
      }
  
imports: from zipline.api import order, symbol
  from zipline.finance import commission, slippage
label_desc: Use image node_id 3 for calling a global function with example usage: _test_args() and returns: dict