content: import sys
  import time
  
  import pytest
  
  from tests.background_callback.utils import setup_background_callback_app
  
  
  @pytest.mark.skipif(
      sys.version_info < (3, 7), reason="Python 3.6 long callbacks tests hangs up"
  )
  def test_lcbc009_short_interval(dash_duo, manager):
      with setup_background_callback_app(manager, "app_short_interval") as app:
          dash_duo.start_server(app)
          dash_duo.find_element("#run-button").click()
          dash_duo.wait_for_text_to_equal("#status", "Progress 2/4", 20)
          dash_duo.wait_for_text_to_equal("#status", "Finished", 12)
          dash_duo.wait_for_text_to_equal("#result", "Clicked '1'")
  
          time.sleep(2)
          # Ensure the progress is still not running
          assert dash_duo.find_element("#status").text == "Finished"
  