code: def run(self):
      self.run_assertion()
      self.counter += 1
      if self.counter == 3:
          self.stop()
  
imports: from re import escape
  from unittest import mock
  from unittest.mock import Mock
  import pytest
  from lightning.app import LightningApp, LightningFlow
  from lightning.app.frontend.stream_lit import StreamlitFrontend
  from lightning.app.frontend.web import StaticWebFrontend
  from lightning.app.runners import MultiProcessRuntime
  from lightning.app.testing.helpers import EmptyFlow
  from lightning.app.utilities.imports import _IS_WINDOWS
label_desc: Use image node_id 2 for calling the DynamicContentComponent obj's underlying member method code with example usage: obj.run() without return types