old_contents: import sys
  import pytest
  
  from qtpy import PYQT6, PYSIDE2, PYSIDE6
  from qtpy.tests.utils import using_conda
  
  # @pytest.mark.skipif(
  #     PYQT6 or PYSIDE6, reason="Not availible on Qt6-based bindings")
  # @pytest.mark.skipif(
  #     sys.platform != "win32" or using_conda(),
  #     reason="Only available in Qt5 bindings > 5.9 with pip on Windows in CIs")
  def test_qtwinextras():
      QtX11Extras = pytest.importorskip("qtpy.QtX11Extras")
  
      # TODO: this is just a placeholder file
  
      # assert QtX11Extras.QSomething is not None
  
new_contents: import pytest
  
  def test_qtwinextras():
      QtX11Extras = pytest.importorskip("qtpy.QtX11Extras")
  
      assert QtX11Extras is not None
      # This module doesn't seem to contain any classes
      # See https://doc.qt.io/qt-5/qtx11extras-module.html
  
subject: Implement QtX11Extras test