code: def test_shape():
      n = 50
  
      frame = gbm(
          base_price=7000,
          base_volume=15000,
          start_date="2018-01-01",
          start_date_format="%Y-%m-%d",
          times_to_generate=n,
          time_frame="1d",
      )
  
      assert frame.shape == (n, 5)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_shape() without return types