code: def test_pandas_equiv(pandas_fn, px_fn):
      pd.options.plotting.backend = "plotly"
      df = pd.DataFrame(
          np.random.randn(100, 4), columns=list("ABCD")
      ).cumsum()
      assert pandas_fn(df) == px_fn(df)
  
imports: import plotly.express
  import numpy
  import pandas
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_pandas_equiv(pandas_fn, px_fn) without return types