code: def test_head005_no_warnings_emitted(test):
      test.start_server(
          get_app(dict(merge_duplicate_headers=True)),
          debug=True,
          use_reloader=False,
          use_debugger=True,
          dev_tools_hot_reload=False,
      )
  
      target = test.table("table")
  
      wait.until(
          lambda: target.column(6).get().get_attribute("colspan")
          == "4",
          3,
      )
      assert test.get_logs() == []
  
file_path: dash/components/dash-table/tests/selenium/test_header.py
imports: import dash
  from dash.testing import wait
  from utils import get_props
  from dash.dash_table import DataTable
  import pytest
label_desc: Use image node_id 7 for calling a global function with example usage: test_head005_no_warnings_emitted(test) without return types