code: def test_smoke(data, trend, lags, leads, common, max_lag, method):
      y, x = data
      if common:
          leads = lags
      mod = DynamicOLS(
          y, x, trend, lags, leads, common, max_lag, max_lag, method
      )
      mod.fit()
  
file_path: arch/arch/tests/unitroot/test_dynamic_ols.py
imports: import numpy
  from numpy.testing import assert_allclose
  import pandas
  import pytest
  from arch.unitroot.cointegration import DynamicOLS
label_desc: Use image node_id 1 for calling a global function with example usage: test_smoke(data, trend, lags, leads, common, max_lag, method) without return types