try 6.5 constraint on pyside6

Author: Czaki

package/tests/test_PartSeg/test_base_widgets.py

@@ -106,7 +106,7 @@ def test_napari_viewer_additional_layers_empty(self, qtbot, part_settings, monke
         information_mock.assert_called_once()
 
     @pytest.mark.windows_ci_skip()
-    @pytest.mark.pyside6_skip()
+    # @pytest.mark.pyside6_skip()
     def test_napari_viewer_additional_layers(self, qtbot, part_settings, monkeypatch):
         main_window = BaseMainWindow(settings=part_settings)
         qtbot.addWidget(main_window)