text: import pytest
  from qtpy import PYSIDE2, PYSIDE6, PYQT5, PYQT6
  
  @pytest.mark.skipif(PYSIDE2 or PYSIDE6, reason="Not available in PySide2, not on CI for PySide6")
  def test_qtdbus():
      """Test the qtpy.QtDBus namespace"""
      from qtpy import QtDBus
  
      assert QtDBus.QDBusAbstractAdaptor is not None
      assert QtDBus.QDBusAbstractInterface is not None
      assert QtDBus.QDBusArgument is not None
      assert QtDBus.QDBusConnection is not None
  